BOOK REVIEW: Retinal computation, by Gregory Schwartz

When considering how vision works, it is tempting to treat the retina as a digital camera... Gregory Schwartz’s terrific book shows just how wrong this view is, revealing the exquisite computations the retina must perform to reliably signal a wide range of visual information (luminance, contrast, spatial features, motion, colour). 

Chalkeyes presents: Taking this bike all the way to Invercargill, son

The first time I heard about a monster bike ride from Cape Reinga to Bluff, I was in the doctor’s surgery. My GP was wiry, a keen bike rider, a role model....

What lies beneath? Nonexudative macular neovascularisation in AMD

Recent literature has increasingly reported on a clinical entity found in the fellow eyes of patients undergoing treatment for unilateral exudative neovascular...

To ZAP or not to ZAP?

A common incidental clinical finding among optometrists is ‘narrow angles'. That worryingly thin black space on Van Herick assessment alerts us to dust...

Stars and their eyes… Anthea Turner

British TV personality Anthea Turner, 61, encouraged her fans to get eye injuries checked out immediately, following an accident involving a curtain cord...

Diversifying your trade

When you think of an optical store, what immediately springs to mind? Do you imagine mirrors and racks of glasses with a very serious, medical vibe? As...

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