Related topics: retina ยท blindness

New developments enabling blind people to see again

Enabling blind people to see again is the dream of many neuroscientists. We still have a long way to go to make this happen, but we have also made a lot of progress over the last twenty years, says Richard van Wezel of the ...

Wearable device helps vision-impaired avoid collision

People who have lost some of their peripheral vision, such as those with retinitis pigmentosa, glaucoma, or brain injury that causes half visual field loss, often face mobility challenges and increased likelihood of falls ...

Sick US South Pole scientist flown to New Zealand

A US scientist stranded in Antarctica for almost two months following a suspected stroke has been evacuated from the South Pole to New Zealand in a hazardous airlift.

Cellular mechanical forces may initiate angiogenesis

Pericytes, the contractile cells surrounding capillaries, may use mechanical forces to initiate angiogenesis, the "sprouting" of new blood vessels, according to researchers at Tufts University School of Medicine (TUSM) and ...

Double agent: Glial cells can protect or kill neurons, vision

Scientists have identified a double agent in the eye that, once triggered, can morph from neuron protector to neuron killer. The discovery has significant health implications since the neurons killed through this process ...

page 1 from 2

Vision loss

Vision loss or visual loss is the absence of vision where it existed before, which can happen either acutely (i.e. abruptly) or chronically (i.e. over a long period of time). The effects of visual loss can, before the acquisition of alternative adaptations and skills, be devastating; especially when a person's vision disappears over a short period of time.

This text uses material from Wikipedia, licensed under CC BY-SA