The etiology and management of three and nine o'clock staining

Businger, Urs; Treiber, Andrea; Flury, Christoph

doi:10.1016/s0892-8967(89)80019-7

Cited by 11 publications

(1 citation statement)

References 2 publications

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“…There is a recent increase in demand for ophthalmic materials, but many materials carry the risk of causing medical problems as they are required to come in direct contact with the cornea. [1][2][3][4] Wearing contact lenses can expose the eye to various diseases and Hart et al reported that contact lenses of 35% of people wearing soft contact lenses are contaminated with bacteria. Staphylococci, Pseudomonas aeruginosa, E.coli and various fungi are among the most common pathogens that involve the eye that can cause diseases such as chronic bacterial conjunctivitis, acute catarrhal conjunctivitis, pseudomonas corneal ulcer, and fungal corneal ulcer.…”

Section: Introductionmentioning

confidence: 99%

Change of Physical Properties of Hydrogel Lens Polymer Containing Isocyanate Group with Ag Nanoparticle

Cho¹,

Sung²

2014

Journal of the Chosun Natural Science

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A study that copolymerized Ag nanoparticle and furfuryl isocyanate with the crosslinking agent EGDMA (ethylene glycol dimethacrylate), HEMA (2-hydroxyethyl methacrylate), MMA (methyl methacrylate), MA (methacrylic acid) and the initiating agent AIBN (azobisisobutyronitrile) is presented. Measurement of the physical characteristics of the produced macromolecule showed that the water content is 32.08~32.67%, refractive index 1.446~1.448, visible light transparency 83.2~67.6%, contact angle 68.2~83.5 o and tensile strength 0.541~0.755 kgf. It is also demonstrated that the addition of Ag nanoparticles is associated with the reduction of UV-B transmittance and increase in tensile strength. The results show that the produced copolymer can be used as a material for ophthalmic lenses with durability and UV-blocking properties.

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Section: Introductionmentioning

confidence: 99%