Abstract: A system is described for obtaining standardized photographs of the iris with exposure dependent on iris color. Analysis of iris color of these photographs uses image analysis digitized in the red-green-blue spectrum for determining changes of iris color over time in patients with disease and on drug therapy. A region of interest of the iris is selected to minimize artifacts such as corneal reflection. White light (Red-Green-Blue) spectrum or color ratios such as red/blue are used to measure density and areas of color over at selected time intervals. The image analysis digitized in the red-green-blue spectrum for measuring color of iris photographs show no significant change in iris color in normals, but did show significant changes in iris color in glaucomatous eyes treated with precription eye drops.

Abstract: A system is described for obtaining standardized photographs of the iris with exposure dependent on iris color. Analysis of iris color of these photographs uses image analysis digitized in the red-green-blue spectrum for determining changes of iris color over time in patients with disease and on drug therapy. A region of interest of the iris is selected to minimize artifacts such as corneal reflection. White light (Red-Green-Blue) spectrum or color ratios such as red/blue are used to measure density and areas of color over at selected time intervals. The image analysis digitized in the red-green-blue spectrum for measuring color of iris photographs show no significant change in iris color in normals, but did show significant changes in iris color in glaucomatous eyes treated with precription eye drops.

Abstract: There is disclosed a method for maximizing the health of the optic nerve by application of topical .beta.-blockers to the eye. Maintaining or increasing retinal nerve fiber thickness has been found to have a link to the prevention of visual field loss and blindness.

Abstract: A method for treating glaucoma consisting of exposing the eye to a corticosteroid and an alpha or a beta adrenergic agent to the eye which acts to decrease ocular pressure. Useful adrenergic agents include beta agonist antagonists, including, for example, epinephrine, dipivalyl epinephrine, betaxolol, levobunolol, timolol, and an alpha adrenergic agonist, including apraclonidine hydrochloride. Useful steroids, which are preferably applied topically, include dexamethasone, prednisolone, cortisone, and triamcinolone. The beta adrenergic agent is administered at a concentration between 10% and 20% of the concentration that the agent is administered in its normal use. The corticosteroid is administered at a concentration between 5% and 10% of the concentration that the corticosteroid is administration in its normal use.

Abstract: A ceramic material suitable for packaging of large scale integrated circuit is produced by the process of forming a mixture of a powdered glass ceramic material which is a glassy precursor to cordierite ceramic material, formed by the steps which are as follows:a. Mix tetragonal phase material selected from the group consisting of zirconia or hafnia powder containing a stabilizing oxide compound selected from the group consisting of MgO, CaO and Y.sub.2 O.sub.3 and a glass frit powder or frit of a glassy precursor of cordierite glass ceramic to yield a suspension of solids. Preferably, a binder is included.b. Disperse the suspended solids to yield a dispersion of the zirconia or hafnia with the stabilizing oxide compound and the glassy precursor.c. Densify the dispersion of zirconia or hafnia with the stabilizing oxide compound and the glassy precursor by a sintering heat treatment at a temperature of about 840.degree. C.

Abstract: A ceramic material suitable for packaging of large scale integrated circuits is produced by the process of forming a mixture of a powdered glass ceramic material which is a glassy precursor to cordierite ceramic material, formed by the steps which are as follows:a. Mix tetragonal phase material selected from the group consisting of zirconia of hafnia powder containing a stabilizing oxide compound selected from the group consisting of MgO, CaO and Y.sub.2 O.sub.3 and a glass frit powder or frit of a glassy precursor of cordierite glass ceramic to yield a suspension of solids. Preferably, a binder is included.b. Disperse the suspended solids to yield a dispersion of the zirconia or hafnia with the stabilizing oxide compound and the glassy precursor.c. Densify the dispersion of zirconia or hafnia with the stabilizing oxide compound and the glassy precursor by a sintering heat treatment at a temperature of about 840.degree. C.

Abstract: A ceramic material suitable for packaging of large scale integrated circuits is produced by the process of forming a mixture of a powdered glass ceramic material which is a glassy precursor to cordierite ceramic material, formed by the steps which are as follows:a. Mix tetragonal phase material selected from the group consisitng of zirconia or hafnia powder containing a stabilizing oxide compound selected from the group consisting of MgO, CaO and Y.sub.2 O.sub.3 and a glass frit powder or frit of a glassy precursor of cordierite glass ceramic to yield a suspension of solids. Preferably, a binder is included.b. Disperse the suspended solids to yield a dispersion of the zirconia or hafnia with the stabilizing oxide compound and the glassy precursor.c. Densify the dispersion of zirconia or hafnia with the stabilizing oxide compound and the glassy precursor by a sintering heat treatment at a temperature of about 840.degree. C.

Abstract: A film supply roll adapter includes a main support through which a rod having a flange on one end for receiving a film roll and another end attached to a cylindrical connector, an open section on the cylindrical connector is adapted to fit on a film roll holder in a laser plotter. The rod is configured within the main support to permit free axial rotation in order to transmit the drag force of the film roll holder directly to the flange with essentially no increase or decrease. The main support is arranged and may be fitted with O-rings to nest within a film roll housing and block all light from being incident on the film.

Abstract: A method for treating glaucoma consisting of exposing the eye to a corticosteroid and a beta adrenergic agent to the eye which acts to decrease ocular pressure. Useful adrenergic agents include beta agonists antagonists, including, for example, epinephrine, dipivalyl epinephrine, betaxolol, levobunolol, and timolol. Useful steroids, which are preferably applied topically, include dexamethasone, prednisolone, cortisone, and triamcinolone. The beta adrenergic agent is administered at a concentration between about 10% and 20% of the concentration that the agent is administered in its normal use. The corticosteroid is administered at a concentration between 5% and 10% of the concentration that the corticosteroid is administered in its normal use.

Abstract: A multilayered ceramic (MLC) substrate having embedded and exposed conductors suitable for mounting and interconnecting a plurality of electronic devices exterior thereof. The horizontal planar conductors comprise substantially a plurality of solid, non-porous, homogeneous metal patterns, whereas the vertical interplanar connection conductors are substantially porous metal conductors that are formed by methods such as screening. The process to form the MLC substrate involves forming a pattern of solid, nonporous conductors to a backing sheet having a release layer, then transferring the pattern to a ceramic green sheet. Zero X-Y shrinkage sintering processes allow the MLC substrate and solid metal conductors to be densified without distortion of the solid metal patterns or the ceramic.

Abstract: A multilayered ceramic (MLC) substrate having embedded and exposed conductors suitable for mounting and interconnecting a plurality of electronic devices exterior thereof. The horizontal planar conductors comprise substantially a plurality of solid, non-porous, homogeneous metal patterns, whereas the vertical interplanar connection conductors are substantially porous metal conductors that are formed by methods such as screening. The process to form the MLC substrate involves forming a pattern of solid, nonporous conductors to a backing sheet having a release layer, then transferring the pattern to a ceramic green sheet. Zero X-Y shrinkage sintering processes allow the MLC substrate and solid metal conductors to be densified without distortion of the solid metal patterns or the ceramic.

Abstract: A molybdenum or tungsten metallurgical pattern is formed on or in a dielectric green sheet. Palladium, nickel, platinum or rhodium is coated on a layer of polyvinyl butyral which is carried on a polyester film. The metal layer of this assembly is laminated to a dielectric green sheet which carries the molybdenum or tungsten metallurgy. The polyester film is stripped off. The resulting assembly is sintered to a fired structure, whereby the polyvinyl butyral is volatilized off and the palladium, nickel, platinum or rhodium is alloyed with the molybdenum or tungsten metallurgy to provide a densified metallurgy whose surface is free of glass.

Abstract: Apparatus for sensing movement with respect to mutually orthogonal axes includes a plurality of ring laser motion sensors, mounted so as to lie as if in planes which would define contiguous mutually perpendicular surfaces such as are found at a corner of a cube, wherein the cube is rotated constantly about a diagonal axis thereof. The rotation imparts equal components of rotation to each of the ring laser motion sensors, thereby eliminating the effects of mode locking and assuring that the beat frequencies obtained by heterodyning signals related to the contra-rotating light waves of each motion sensor are linearly related, over the operating range of the inertial device, to the components of rotational rate measured parallel to the input axes of the respective ring laser motion sensors. The rotating sensor system is supported along its spin axis in an inner gimbal member for rotation, in turn, about an outer or vertical axis perpendicular thereto.

Abstract: A self-contained vacuum aspirator system is disclosed which comprises a container having a vacuum applied therein; a valve assembly secured to said container for selectively allowing the passage of fluid into said container; a curette in communication with an aperture in said valve assembly; and an air permeable collection means supported within said container by the aforementioned valve assembly in communication with an opening in said valve assembly for accumulating matter collected by said curette when the valve assembly is operating to establish communication between the aforementioned aperture and opening.

Abstract: A self-contained vacuum aspirator system is disclosed which comprises a container having a vacuum applied therein; a valve assembly secured to said container for selectively allowing the passage of fluid into said container; a curette in communication with an aperture in said valve assembly; and an air permeable collection means supported within said container by the aforementioned valve assembly in communication with an opening in said valve assembly for accumulating matter collected by said currette when the valve assembly is operating to establish communication between the aforementioned aperture and opening.