Entries by John Watson

Vitamin See

Vitamin C (ascorbic acid) is an antioxidant found in fruits and vegetables. Scientific evidence suggests vitamin C lowers the risk of developing cataracts. Risk factors for cataracts include smoking, diabetes and steroid use, which deplete the eye’s lens of vitamin C. Also, when taken with other essential nutrients, vitamin C can slow the progression of […]

Vanishing Letters To Diagnose AMD Sooner

A new test featuring black and white letters is able to catch the first signs of age-related macular degeneration (AMD) sooner than ever before. The Moorfields acuity chart features letters created from fine black and white stripes. However, unlike the standard chart, these two-coloured, high-spatial frequency letters appear to vanish when they are too small […]