Arcus senilis is a white, gray, or blue arc or ring that develops around the edge of the cornea. It typically appears as an arc that affects the top and bottom of the cornea. According to the ...

Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, ...

Corneal topography showing reversal of contact lens-induced corneal warpage in 1 month after discontinuation of contact lens wear. Keratoconus as displayed by the Tomey device. Classic pattern of ...

Standards and guidelines for development co-operation with concrete examples of their implementation ...