Abstract: Intraocular implants and delivery instruments are disclosed for treating ophthalmic conditions and ocular disorders, such as glaucoma. The implants are configured to extend between the anterior chamber of the eye and a fluid outflow path or physiologic outflow pathway, such as Schlemm's canal, of the eye for enhancing outflow of aqueous from the anterior chamber so as to reduce intraocular pressure. The implants can have features for anchoring the implant into the physiologic outflow pathway as well as preventing the walls of the physiologic outflow pathway from closing the outlet of the implants. The delivery instruments can be steerable so as to make implantation easier. Additionally, the delivery instruments can be configured to hold a plurality of implants so that multiple implants can be implanted through one incision without removing the delivery instrument from the incision between serial implantations.

Abstract: Described herein is a delivery device and methods for delivering an ocular implant into an eye. The delivery device includes a proximal handle portion; a distal delivery portion coupled to a distal end of the handle portion and configured to releasably hold an ocular implant and includes a sheath positioned axially over a guidewire; and a metering system configured to provide visual guidance regarding depth of advancement of an implant positioned on the guidewire into an anatomic region of the eye. Also disclosed is a device and method for loading an implant onto the delivery device.

Abstract: A multi-force sensing instrument includes a tool that has a tool shaft having a distal end and a proximal end, a strain sensor arranged at a first position along the tool shaft, at least one of a second strain sensor or a torque-force sensor arranged at a second position along the tool shaft, the second position being more towards the proximal end of the tool shaft than the first position, and a signal processor configured to communicate with the strain sensor and the at least one of the second strain sensor or the torque-force sensor to receive detection signals therefrom. The signal processor is configured to process the signals to determine a magnitude and position of a lateral component of a force applied to the tool shaft when the position of the applied force is between the first and second positions.

Abstract: A nomogram, a method for determining how to cut a cornea to produce a particular vision correction, and a system and method for determining how to make a vision correction when a precision cutting tool is being used as opposed to the performance of hand cuts. In a further embodiment, measurement of astigmatism to be corrected, calculation of the nomogram, and the actual cutting are mostly or completely automated eliminating human error from the system.

Abstract: A percutaneous needle guide includes a housing and an inclinometer secured to the housing for sensing a two dimensional inclination of the housing relative to the earth's gravitational field and for providing an indication thereof. A percutaneous needle is slidably mounting to the housing in a fixed axial orientation relative to the housing. A needle measuring device is mounted in the housing and operative by linear motion of the percutaneous needle so as to measure the linear position of the percutaneous needle relative to the housing and providing a measurement indication.

Abstract: The invention relates to a laser treatment unit for performing eye surgery, comprising a contact glass (23), which can be placed onto the eye (21) and via which a treatment laser beam (2) passes. A safety mechanism (24, 25) is provided that displaceably holds the contact glass (23) in such a manner that the contact glass retreats when the contact glass (23) is subjected to the action of a force contrary to the direction of incidence of the laser beam. The safety mechanism (24, 25) enables this retreating when a force is greater than a force limit value (Fmin) and holds the contact glass (23) in a fixed manner when the force is less than the force limit value.

Abstract: A surgical blade may include a surgical incision guide configured to guide a surgical incision. The surgical incision guide may include one or more surgical incision guide marks. A surgical incision guide mark may be configured to provide information about a surgical incision. For example, a surgeon may compare a location of a surgical incision guide with a portion of a tissue to identify an incision depth. Illustratively, a surgeon may compare a location of a surgical incision guide with a portion of a tissue to identify an optimum incision depth to adjust an orientation of a surgical blade.

Abstract: The actuator comprises a barrel and a plunger received within the barrel. A clutch mechanism is operable between the plunger and the barrel. The clutch mechanism includes a driven member and a fixed member having respective castellations. The driven member carries pins which engage a three-start thread on the plunger. The castellations are urged into engagement by three annular springs. In the engaged condition of the clutch, the plunger is advanced by rotation relative to the barrel. An axial load on the plunger disengages the clutch mechanism, allowing the plunger to be advanced axially while rotating the driven member. Two-handed or one-handed operation according to a user's choice is therefore possible. The actuator can be used in combination with a lens delivery device.

Abstract: A micro-vitreoretinal (MVR) blade for incising tissue for a transvenous chorioretinotomy and similar procedures includes a shaft with a working tip having a chisel-type edge on its end or leading edge. Various embodiments of the inventive MVR blade have different chisel-type edge structures, such as a latitudinal chisel, an angled chisel, a chevron, a reverse chevron, a concave semi-lunar and a guarded or step-down working tip. The MVR blade may also include drug/chemical coatings, electrification or freezing to promote hemostasis or chorioretinal anastomosis formation.

Abstract: An eye examination aid including an aligner/illuminator and a mount. The aligner/illuminator includes a first body containing a visible light laser and an illumination source emitting non-coherent light. The visible light laser has a laser axis along which visible laser light is emitted. The mount includes a second body having a receiving portion into which the aligner/illuminator is removably receivable in a fixed orientation and presenting a first generally planar side oriented substantially parallel to the laser axis and a second generally planar side oriented substantially perpendicular to the laser axis. At least one of the first generally planar side and the second generally planar side are structured to receive an adhesive whereby the mount is adapted to be secured to an external surface of a refractor instrument such that the laser axis is directed substantially parallel to an optical axis of the refractor instrument.

Abstract: The invention relates to a device for applying a marking to the human eye, in particular on the cornea, comprising a marking head (1) and a retaining device (2) that supports the marking head (1), wherein the marking head (1) comprises a marking element (4) and a support that retains the marking element (4) in a specifiable or changeable angular position, wherein the support is arranged in a rotationally fixed manner relative to the retaining device (2) or a reference line and wherein the marking head (1) can be detached from the retaining device (2).

Abstract: The invention relates to a device for intraocular administration of a substance, for example a medication, into a human or animal eye by means of a hypodermic needle. Until recently, intravitreal or intraocular injections, by which a substance, and more in particular a medication, is injected into a human or animal eye by means of a hypodermic needle, were only used in exceptional cases. Especially in the treatment of endophtalmitis, an infrequently occurring intraocular inflammation of the eye, antibiotics are often administered intravitreally. The object of the invention is to provide a tool which makes it possible, using one instrument, to keep the eye stationary and at the same time facilitate giving the injection, which will be carried out under identical, reproducible circumstances at all times in that case.

Abstract: [Problems] To ensure the sharpness of a stripping knife whereby a part of a living tissue is incised and stripped while preventing a cut along the thickness direction. [Means for Solving Problems] A stripping knife (A) having a plate-shaped blade (3) having an edge (1) around the periphery, a shank (5) connected to the blade (3), and a handle (7) holding the shank (5) in the integrated state, wherein the blade (3) is composed of the edge (1) formed at the front end and a guide face (2) which is formed between the edge (1) and the front face (3b) of the connected plate constituting the blade (3) and brought into contact with the surface (13) of the remaining tissue.

Abstract: A microkeratome cutting head includes a head structure, an applanation plate, and a stromal plate. The head structure may include a blade cavity for receiving a blade and a blade opening through which the blade extends. The blade is configured for creating a corneal flap at a corneal flap thickness. The applanation plate is disposed at an elevation above the stromal plate plane. The elevation difference is approximately equal to the corneal flap thickness. An artificial anterior chamber (AAC) system is used to hold the donor eye for interfacing with the microkeratome. The AAC system includes an optional pressure valve and pressure gauge in a closed loop system for the user or surgeon to control line pressure applied to the donor eye during the procedure.

Abstract: A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.

Abstract: The disclosure herein provides ophthalmic surgical systems, methods, and devices. In one embodiment, a handheld medical instrument for surgical procedures comprises a body having an exterior surface shaped to be held and manipulated by a human hand; a surgical tool extending from a distal end of the body; and a pressure-sensitive button for controlling operation of the surgical tool, the pressure-sensitive button comprising an actuation surface positioned adjacent the exterior surface of the body, the pressure-sensitive button further comprising a pressure detection device, the pressure detection device configured to enable output of a signal for controlling a function of the surgical tool, the signal being proportional to a position of the actuation surface.

Abstract: The present disclosure provides a device, an assembly comprising the device and a method making use of same, the device comprising an elongated member extending between a first end and a second end, and a segment proximal to the second end extending along a longitudinal axis X, said segment comprises at least one depression axially extending along at least a portion of said segment and an external surface having a circumference C; and one or more blades with a cutting edge peripheral to C and the one or more blades extending along at least part of said segment; the first end comprising an engagement element for engagement with a grip unit comprising a rotor to cause rotation of said device about said axis upon actuation of the rotor and the second end comprising a tissue piercing tip. The device, assembly and method are useful in creating a channel in a biological soft tissue, such as a drainage channel in the sclero-corneal junction area of the eye. This may be useful in reducing intra-ocular pressure.

Abstract: A medical device and surgical procedure for the treatment of glaucoma in patients with primary open angle glaucoma, secondary open angle glaucoma, closed angle glaucoma, and refractory glaucoma. The device is inserted between two scleral flaps, cutting the trabecular meshwork and the sclera. When the device is removed, a proximal-facing cutting edge forms a tunnel allowing the aqueous humor to flow out of the anterior chamber into the suprachoroidal space.

Abstract: A toric axis marker has a handle, a coaxial tip, a head upon the tip, a dial axially above the head, and a marker head with two blades connecting to the dial. The dial and blades rotate simultaneously and concentrically upon the head. The head and its components have a central aperture for a surgeon to use in positioning the marker relative to the center of an eye. The marker head has its two blades upon a common diameter. The dial has two symmetric arcuate windows that reveal an angle scale. The marker body has an inwardly offset angle to the handle. Each blade has a blunt edge outwardly from the marker head and a slightly curved shape that conforms to the shape of an eyeball, proximate the cornea. With the blades positioned, a surgeon marks the cornea with an ink for incision locations.

Abstract: A patient interface device for use with a laser surgery apparatus, the device including an upper assembly and a lower assembly attached to the upper assembly. The device including a spherical-like object that engages the lower assembly so that an enclosed volume is defined between the spherical-like object, the lower assembly and the upper assembly, wherein a first liquid substantially fills the enclosed volume. The device further including a channel that contains a second fluid that is exposed to ambient atmosphere.

Abstract: A method and system for controlling the cutting speed of a cutting device employable in an ocular surgical procedure is provided. The apparatus includes a control module, a variable gas pressure regulator arrangement configured to receive gas from a gas pressure supply, wherein the variable pressure regulator arrangement is connected to the control module and the control module is configured to regulate gas received from the gas pressure supply, and an accumulator configured to store gas received from the variable gas regulator arrangement at a selected gas pressure. Gas at the desired pressure is delivered from the accumulator to the cutting device. The gas may be air, and the variable gas pressure arrangement may include a single variable pressure regulator or multiple pressure regulators which typically are not variable with respect to the pressure delivered.

Abstract: The present disclosure is directed to improved phacoemulsification procedures involving the use of processed non-visual three-dimensional data (i.e. diagnostic scan data) to provide a surgeon with additional guidance concerning the distance separating a working end of a phacoemulsification instrument and the posterior capsule of the eye during a surgical procedure involving the removal of the crystalline lens of an eye. Such information is implemented to aid the surgeon in cutting or scoring the lens to a desired depth while minimizing the risk of penetrating the posterior portion of the capsule with the working end of the instrument. Some embodiments provide for the visual and/or auditory conveyance of distance information to the surgeon. Additional embodiments can provide for overlaying visual representations of selected structure information with the images provided to the surgeon.

Abstract: Embodiments of the claimed invention are directed to the treatment of glaucoma (or conditions of elevated intraocular pressure) using a novel ab interno trabeculotomy procedure that uses a flexible device. At least one advantage of the present method is that it does not require a conjunctival or scleral incision, which in turn improves patient recovery time and healing.

Abstract: An ophthalmic marker having a U-shaped yoke (33) at one end of a cranked axle (42) is disclosed. The axle (42) is rotatable mounted with a co-axial cylindrical handle (31). The other end of the axle extends beyond the handle and is bifurcated. A plumb bob (38) having a sphere (40) and a stem (39) is pivotally mounted on the bifurcated end of the axle (42). The yoke (33) has three marker points (34-36) the upper two (35, 36) of which are maintained in a horizontal plane by a gravitational force urging the plumb bob (38) into a vertical plane notwithstanding the handle (31) not being held exactly horizontal. A method of eye marking and marker making are also disclosed.

Abstract: A system and method for resecting and transplanting corneal tissue is disclosed. In a recipient cornea, a resection depth from the anterior surface of the recipient cornea is determined based upon a biomechanical model of the recipient cornea. A resection incision for resecting a posterior portion of the recipient cornea is made at the resection depth. Preferably, the incision is made using a surgical laser. Optionally, a contact lens may be placed against the anterior surface of the recipient cornea, wherein the shape of the anterior surface is conformed to the shape of the contact lens.

Abstract: A corneal marking system and methods for its use, has a first tilt-detecting device attached to a corneal marker, adapted to produce a signal when the corneal marker is in a horizontal position. In another version, the first tilt-detecting device is adapted to produce a signal when the corneal marker is in tilted to a pre-selected value and a second tilt-detecting device is attached to the patient's head to measure the tilt of the head and is adapted to produce a signal when the head is tilted to match the pre-selected value of the first tilt-detecting device. In a third version, the first and second tilt detectors send signals to a signal detector which emits a signal when the first and second tilt detectors indicate substantially the same amount of tilt. In each case, the cornea is marked when the appropriate signal is emitted.

Abstract: The present invention provides methods and systems for an eye marker device that includes a handle, a tip engaged to the handle and includes a marking means with at least one arm containing a marking apparatus, a rotational scale, and a servo motor.

Abstract: An ophthalmic marker having a U-shaped yoke at one end of a cranked axle is disclosed. The axle is rotatable mounted with a co-axial cylindrical handle. The other end of the axle extends beyond the handle and is bifurcated. A plumb bob having a sphere and a stem is pivotally mounted on the bifurcated end of the axle. The yoke has three marker points the upper two of which are maintained in a horizontal plane by a gravitational force urging the plumb bob into a vertical plane notwithstanding the handle not being held exactly horizontal. A method of eye marking and marker making are also disclosed.

Abstract: An interface unit for positioning an object to be irradiated in relation to a radiation source has at least one first positioning surface for positioning the interface unit in relation to the radiation source, and a second positioning surface for bearing on the object to be irradiated. The interface unit provides a path, which passes through the second positioning surface, for the radiation from the radiation source. According to the invention, the interface unit comprises an integrally produced interface body which forms both the at least one first positioning surface and the second positioning surface. The interface body is preferably produced from a plastic material by an injection compression molding method, in order to achieve the desired high manufacturing accuracy.

Abstract: Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation.

Abstract: A toric axis marker has a handle, a coaxial tip, a head upon the tip, a dial axially above the head, and a marker head with two blades connecting to the dial. The dial and blades rotate simultaneously and concentrically upon the head. The head and its components have a central aperture for a surgeon to use in positioning the marker relative to the center of an eye. The marker head has its two blades upon a common diameter. The dial has two symmetric arcuate windows that reveal an angle scale. The marker body has an inwardly offset angle to the handle. Each blade has a blunt edge outwardly from the marker head and a slightly curved shape that conforms to the shape of an eyeball, proximate the cornea. With the blades positioned, a surgeon marks the cornea with an ink for incision locations.

Abstract: A surgical probe, e.g. a vitrectomy probe, and methods of making the same are disclosed. An exemplary surgical probe may include a tubular body and a cutting tool that is received within the body. The tubular body may define a cutting aperture that is adjacent a first end of the body and a fluid passage that extends through the body from the cutting aperture to a second end of the body. The cutting tool may be received within the body and disposed within the fluid passage. The cutting tool is generally configured to allow fluid flow through the cutting tool. The cutting tool may include a body portion and a blade portion that is configured to cut material entering the cutting aperture. The body portion may extend only partially about an inner circumference of the tubular body.

Abstract: For use with a surgical tool for making incisions in the sclera of an eye to form a scleral pocket to receive a scleral prosthesis, a system and method is disclosed for determining a position on the sclera for locating the scleral pocket. The system and method determines an optimum location for the scleral pocket. The system and method determines a location on the sclera that represents the intersection of the lens equatorial plane with the external surface of the sclera. The front of the scleral pocket is placed at a location that is four hundred fifty microns posterior to the intersection of the lens equatorial plane with the external surface of the sclera.

Abstract: Apparatus and methods are provided for interfacing a surgical laser with an eye using a patient interface device that minimizes aberrations through a combination of a contact lens surface positioning and a liquid medium between an anterior surface of the eye and the contact lens surface. Further, support rings, ocular stability devices, and methods for interfacing an eye during laser surgery are provided. In an embodiment, by way of example only, a support ring includes a first end surface, a second end surface opposite the first end surface, and an outer surface extending between the first end surface and the second end surface. The second end surface has a width that is greater than a width of the first end surface and extends toward a central opening in the support ring to define a concave curvature configured to substantially match a curvature of a patient's eye.

Abstract: An ophthalmic surgical hand piece has a horn and two transducers. The horn has a central axis. A flange having a generally flat surface is coupled to the horn. The flange extends radially from the horn and generally perpendicular to the central axis. A first ear having a generally flat surface is coupled to the horn. The first ear extends from the horn such that the generally flat surface of the first ear is generally perpendicular to the generally flat surface of the flange. A first transducer is held against the flange, and a second transducer held against the ear.

Abstract: Described herein are apparatus and methods for the generation of at least one user adjustable, accurate, real-time, virtual surgical reference indicium including data for making at least one limbal and/or corneal relaxing incision for use in astigmatism correcting procedures. The apparatus includes one or more real-time, multidimensional visualization modules, one or more data processors to produce real-time, virtual surgical reference indicia, and at least one user control input for adjusting the at least one real-time virtual surgical reference indicium including data for making at least one limbal and/or corneal relaxing incision.

Abstract: A surgical tool includes a surgical blade configured to be moved to form an incision. The surgical tool also includes a wire configured to cause movement of the surgical blade. The surgical tool further includes an actuator configured to shorten a length of the wire to cause the movement of the surgical blade. The surgical tool could be configured to move the surgical blade in a first direction and then in a second direction in response to a single shortening of the wire. Also, the wire could represent a first wire, the surgical tool could include a second wire, and the surgical tool could be configured to move the surgical blade in a first direction in response to shortening the first wire and to move the surgical blade in a second direction in response to shortening the second wire.

Abstract: A surgical tool includes a surgical blade configured to be moved to form an incision. The surgical tool also includes a wire configured to cause movement of the surgical blade. The surgical tool further includes an actuator configured to shorten a length of the wire to cause the movement of the surgical blade. The surgical tool could be configured to move the surgical blade in a first direction and then in a second direction in response to a single shortening of the wire. Also, the wire could represent a first wire, the surgical tool could include a second wire, and the surgical tool could be configured to move the surgical blade in a first direction in response to shortening the first wire and to move the surgical blade in a second direction in response to shortening the second wire.

Abstract: A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.

Abstract: A surgical device and procedure are provided for performing microsurgery, including a capsulotomy of a lens capsule of an eye. The device has an elastically deformable cutting element mounted within an elastomeric suction cup. The suction cup is attached to an arm for manipulating the device. The device can be inserted into the anterior chamber of the eye, through a corneal incision, to cut a piece from the anterior portion of the lens capsule of the eye. The device is secured against the lens capsule using suction applied by one or more suction elements. The device is then removed from the eye, with the cut piece of membrane retained within the device by suction.

Abstract: According to an exemplary embodiment, a device (12) for assisting in the preparation of an operation on the human eye (14) for the purpose of generating a corneal flap by means of a microkeratome system (10) includes: an input interface arrangement (50) that permits at least the input of data relating to a set value of at least one flap parameter and also to at least one patient-related parameter; a computer (46) that has been set up to access a stored data collection (44) of several surgical data records, each of which includes a post-operative actual value of at least one flap parameter, a value for at least one patient-related parameter and configuration data of the microkeratome system, the computer (46) having been set up to ascertain, on the basis of the data collection (44) in a manner depending on the input data, configuration information that represents a proposed configuration of the microkeratome system (10); an output interface arrangement (48) for outputting the configuration information.

Abstract: In various embodiments, a pneumatic system valve for a surgical console may be controlled by a controller configured to adjust a valve duty cycle (VDC) of the valve to reduce a difference between the valve's differential pressure and a desired differential pressure. In some embodiments, average differential pressures may be detected and relayed from a pressure sensor, coupled to one or more ports of the valve, to the controller. The controller may compare the measured average differential pressure against the desired average differential pressure (e.g., received from the user). The controller may then determine a modified VDC to reduce a difference between the desired average differential pressure and the measured average differential pressure. In some embodiments, the desired average differential pressure may be determined based on input received from a user of the surgical console.

Abstract: Various ocular fixation devices are disclosed. One ocular fixation device includes first and second rings, where at least one of the rings includes means for fixating ocular tissue of an eye. The means for fixating are arranged to grasp the ocular tissue of the eye and to release the ocular tissue of the eye based on rotation of at least one of the first and second rings. The ocular fixation device may also include one or more structures on which a surgical tool can be mounted on the ocular fixation device at one or more locations. For instance, a dome of the ocular fixation device could include one or more holes that are configured to receive one or more projections from the surgical tool. As another example, a base of the ocular fixation device could include one or more notches configured to receive a projection from the surgical tool.

Abstract: Systems, devices, and methods for correcting presbyopic vision create a dye ring in the cornea. The intrastromal ring is created using a femtosecond laser and is centered on the visual axis. A black or a colored pigment is then injected. The internal diameter of the ring is dimensioned so as to create an intracorneal pinhole and improve the near and intermediate vision of the non-dominant eye while only slightly altering the distance vision of that eye. The pinhole dye ring in the cornea of the presbyopic eyes enhances the depth of field, thereby allowing improved presbyopic performance without the need for corrective lenses.

Abstract: An Anterior Capsule Remover (“ACR”) device allows an ophthalmologist to safely and efficiently remove an anterior portion of the lens capsule at the beginning of cataract surgery. The device allows the surgeon to safely, efficiently and consistently create a circular central opening of a predetermined diameter in the top of the lens capsule. An exemplary anterior capsule remover apparatus includes a handle and a distal shaft that holds a blade or cutter. One or more o-rings attached to a thumbwheel and to the blade allow the surgeon to easily create a circular, central opening in the anterior capsule of predetermined diameter.

Abstract: In one embodiment, the present invention provides a device and method for treating recurrent corneal erosion. In one embodiment, the method includes the steps of contacting an epithelium layer of a cornea with an array of glass micro-rods including a plurality of sharp features having a length that penetrates a Bowman's layer of the eye, wherein the plurality of sharp features of the array of glass micro-rods produces a plurality of punctures in the Bowman's layer of the eye that are of micro-scale or less. In another embodiment, the present invention provides a method and device for drug delivery. In one embodiment, the device includes an array of glass micro-rods, wherein at least one glass micro-rod of the array of glass micro-rods includes a sharp feature opposite a base of the array of glass micro-rods, wherein the sharp feature includes a treated surface for delivering a chemical compound to the eye.

Abstract: The invention relates to an instrument for preparing an corneal endothelial graft, the tool being a trephine blade (1) having a cross section in the form of an arc of a circle of between 270° and 355°. The invention also relates to a method of preparing a graft using such an instrument.

Abstract: A planning device generating control data for a treatment apparatus for refraction-correcting ophthalmic surgery is provided, said apparatus using a laser device to separate a corneal volume, which is to be removed for correction, from the surrounding cornea by at least one cut surface in the cornea of an eye, said planning device comprising an interface for receiving corneal data including information on pre-operative cuts which were generated in a previous ophthalmic operation, and computing means for defining a corneal cut surface which confines the corneal volume to be removed, said computing means defining the corneal cut surface on the basis of the corneal data and generating a control dataset for the corneal cut surface for control of the laser device.

Abstract: A system and method is disclosed for making incisions in the sclera of an eye to form a scleral pocket to receive a scleral prosthesis. The system and method comprises a surgical tool comprising a surgical blade for making incisions in the sclera of an eye. When a surgeon places the surgical blade on the sclera of the eye a pressure sensor in the surgical tool determines whether there is sufficient pressure between the surgical tool and the sclera of the eye for the surgical tool to operate properly. The surgeon activates the surgical tool to cause the surgical blade to advance through the sclera to form an incision having dimensions to receive a scleral prosthesis. When the incision is complete the surgical blade is rotated back out of the incision. The incision has the exact dimensions to receive a scleral prosthesis.

Abstract: A contact glass for ophthalmic surgery, including a concave anterior lens surface for placement on the eye and a suction channel annularly surrounding the periphery of the anterior lens surface. The suction channel allows the contact glass to be fixed to the eye by means of a vacuum, it is envisaged that the suction channel comprise a multiplicity of suction orifices, which are annularly arranged with respect to the anterior lens surface and through which the vacuum acts on the eye.