Abstract: Described herein are methods for imaging ocular devices. The methods generally involve (a) applying a scattering agent to the ocular device; and (b) imaging the ocular device using optical coherence tomography (OCT). The methods described herein provide useful structural information about the surface of the device with high sensitivity.

Abstract: The invention is directed to a colored contact lens designed for making a wearer's eyes to appear larger, bolder, and enhanced color while giving the wearer's eyes a very natural appearance. A colored contact lens of the invention comprising a first print of a first color and a second print of a second color, wherein the first print consisting of an annular ring of gradient dot matrix, wherein the second print comprises a limbal ring and an outer starburst pattern, wherein the limbal ring surrounds the outer starburst pattern, wherein the annular ring and the limbal ring have a substantially identical outer diameter and the annular ring has a larger inside diameter than the limbal ring, the first color and the second color are different or the same, wherein the first print and the second print are concentric with the center of contact lens.

Abstract: The invention is related to a hydrated silicone hydrogel contact lens having a layered structural configuration: a lower water content silicone hydrogel core (or bulk material) completely covered with a layer of a higher water content hydrogel totally or substantially free of silicone. A hydrated silicone hydrogel contact lens of the invention possesses high oxygen permeability for maintaining the corneal health and a soft, water-rich, lubricious surface for wearing comfort.

Abstract: The present invention generally relates to a pad transfer printing method for making colored hydrogel contact lenses with good image quality. More specifically, the present invention relates to make and use a pad transfer printing pad comprises an addition-cure room temperature vulcanized silicon, which has subjected to post-heat treating. The post-heat treated pad transfer printing pad is characterized by having a reduced silicone residue release by at least 50 percent relative to a control transfer pad having identical composition without post heat treating.

Abstract: A method of manufacturing a colored contact lens including the steps of providing a transparent contact lens having a pupil section and an iris section, the iris section surrounding the pupil section and applying a colorant to the surface of the contact lens. The colorant is applied to the contact lens as an amorphous pattern and covers an effective amount of the iris section of the same. The amorphous pattern provides a lens capable of changing the apparent color of the iris of a person wearing the lens while imparting a very natural appearance.

Abstract: The present invention provides a chemical ink comprises a solvent, a binder polymer, a colorant and optionally a crosslinker. The ink of the invention has one or more of the following characteristics: a viscosity lower than about 50 centipoises; a surface tension of from about 20 mN/m to about 60 mN/m; a particle size of less than about 5 ?m; prolonged stability; an appropriate color level (visible by eye); uniform drop formation; jet stability; good adhesion to contact lenses; good transfer from a mold to a lens made in the mold; and stability of ink in inkjet nozzles. The ink of the invention is useful for inkjet printing of a high-quality color image on a contact lens or a mold so as to produce a colored contact lens.

Abstract: The present invention provides a chemical ink comprises a solvent, a binder polymer, a colorant and optionally a crosslinker. The ink of the invention has one or more of the following characteristics: a viscosity lower than about 50 centipoises; a surface tension of from about 20 mN/m to about 60 mN/m; a particle size of less than about 5 ?m; prolonged stability; an appropriate color level (visible by eye); uniform drop formation; jet stability; good adhesion to contact lenses; good transfer from a mold to a lens made in the mold; and stability of ink in inkjet nozzles. The ink of the invention is useful for inkjet printing of a high-quality color image on a contact lens or a mold so as to produce a colored contact lens.

Abstract: The present invention provides a method for making colored contact lenses and an apparatus for implementing the method of the invention. The apparatus of the invention comprises a securing means for holding a contact lens or a portion of a mold for making the contact lens, a printer head, wherein the printer head comprises one or more nozzles each of which is capable of jetting droplets of color liquid independent of each other under control of a computer system; a positioning means for precisely positioning the printer head at each of a plurality of predetermined positions, one at a time, on a surface of the contact lens or the mold portion under control of the computer system. The method and apparatus of the invention are useful for producing colored contact lenses having high quality color images thereon.

Abstract: The present invention provides novels inks and methods for making a colored polymeric substrates, preferably a contact lens. In the inventive method at least a portion of a surface of a lens is coated with a color coat comprising at least one colorant, and a binder polymer obtained by copolymerizing a first monomer being ethylenically unsaturated and having a latent crosslinkable pendent group; and a second monomer having an ethylenically unsaturated double bond copolymerizable with the first monomer. The lens is then subjected to conditions that cause the color coat to adhere to the lens.

Abstract: A method of configuring and ordering a customized contact lens for a user. The method includes the steps of displaying a template eye image to assist the user in visualizing selected options for a customized contact lens, and displaying a plurality of contact lens selection options to the user. The information includes a plurality of selectable lens colors and lens design patterns. The method also includes the steps of sending an ordering request to order a contact lens incorporating lens colors and lens design patterns selected by the user, receiving the ordering request, and manufacturing a contact lens incorporating the lens colors and lens design patterns selected by the user.

Abstract: The present invention provides a chemical ink comprises a solvent, a binder polymer, a colorant and optionally a crosslinker. The ink of the invention has one or more of the following characteristics: a viscosity lower than about 50 centipoises; a surface tension of from about 20 mN/m to about 60 mN/m; a particle size of less than about 5 ?m; prolonged stability; an appropriate color level (visible by eye); uniform drop formation; jet stability; good adhesion to contact lenses; good transfer from a mold to a lens made in the mold; and stability of ink in inkjet nozzles. The ink of the invention is useful for inkjet printing of a high-quality color image on a contact lens or a mold so as to produce a colored contact lens.

Abstract: A method of configuring and ordering a customized contact lens for a user. The method includes the steps of displaying a template eye image to assist the user in visualizing selected options for a customized contact lens, and displaying a plurality of contact lens selection options to the user. The information includes a plurality of selectable lens colors and lens design patterns. The method also includes the steps of sending an ordering request to order a contact lens incorporating lens colors and lens design patterns selected by the user, receiving the ordering request, and manufacturing a contact lens incorporating the lens colors and lens design patterns selected by the user.

Abstract: A system for treating tissue carcinomas and benign inflammatory conditions of the urinary tract includes a flowable medium containing a bioactive agent and a thermogelling aqueous polymer solution. The thermogelling aqueous polymer solution maintains the bioactive agent within the urinary tract for a therapeutically optimal period of time. One embodiment includes delivering a bioactive agent in a flowable medium through an orifice into a body cavity, contacting the tissue to be treated with the bioactive agent, and filling the orifice of the body cavity with a thermogelling aqueous polymer solution. The polymer solution maintains the bioactive agent in contact with the tissue to be treated for a therapeutically optimal period of time.

Abstract: The present invention provides a chemical ink for pad printing a medical device comprising water; a colorant; and a crosslinkable, water-soluble poly(vinyl alcohol). The ink has a viscosity of greater than 50 centipoise, and good adhesion to the medical device. Method for printing contact lenses with such ink are also disclosed.

Abstract: The invention is directed to a colored contact lens designed for enhancing a wearer's eye color while giving the wearer's eyes a very natural appearance. A colored contact lens of the invention comprises a colored central zone which includes a colored substantially-circular pattern composed of non-opaque colored dots. Sizes of the dots and/or amounts of space between the dots are varied in a radially-controlled manner so that local colored dot coverage increases in a radial direction from the center to the peripheral edge or a position near the peripheral edge of the substantially-circular pattern.

Abstract: A method comprises the steps of (a) providing a water based ink in at least one cliché with a contact lens pattern; (b) transferring the water based ink from the cliché to at least a surface of at least a contact lens forming mold by means of at least a transfer pad; (c) at least partially curing the ink transferred on the mold to form a colored film; (d) dispensing a hydrogel lens-forming material into a lens-forming cavity of the mold; and (e) curing the lens-forming material within the lens-forming cavity to form the contact lens, whereby the colored film detaches from the molding surface and becomes integral with the body of the contact lens; characterized in that the relative air humidity in the immediate vicinities of the transfer pad/s is kept higher than 50% at standard temperature and pressure conditions during ink transfer.

Abstract: A method is provided for selecting a portfolio of securities for investment purposes. Specifically, the method utilizes three types of securities-related data: price appreciation, return-on-assets ratio, and price-to-cashflow ratio. A group of securities is ranked by price appreciation, return-on-assets ratio, and price-to-cashflow ratio; a number of the securities having the highest average rank are selected for investment.

Abstract: An adhesive binder composition containing a urea-formaldehyde resin modified with a modified soy protein, and the use of the binder for preparing wood composites, especially particleboard.