Most people will get only the dry kind, which gradually degrades vision over years.
Generally, surgery is offered when the cataract degrades vision to an extent that is noticeable by the patient, but there is no clearly defined threshold at which surgery should or should not be offered.
Six months of space travel — a one-way trip to Mars from Earth — can result in bone loss, muscle atrophy, even degraded vision.
Here, we ask whether blindsight is best described as unconscious vision, or rather as conscious, yet severely degraded vision.
In our single case study of patient GR, we ask whether blindsight is best described as unconscious vision, or rather as conscious, yet severely degraded vision.
Failure of this process results in cataract, an aggregated insoluble form of crystallin which scatters visible light and degrades vision.
Since Reiger's report, several studies have shown that impaired tear film degraded vision-related QOL [ 9– 11].
In people suffering from glaucoma, damage to the optic nerve can slowly degrade peripheral vision and, in the worst cases, eventually lead to blindness.
After six months on methotrexate, my vision degraded threefold in one year.
It's a spirit that companies like Quiksilver claim to value but have in fact helped degrade elsewhere, peddling a vision of surfing's blithe, blue allure that studiously omits the ugly realities of overcrowding that such marketing abets.
