How does sun affect need for cataract surgery?

Increases risk. Cataracts (a white lens change): most often due to/made worse by (most common first): aging, genetics predisposition, excessive sun exposure, smoking, diabetes, steroid medication, previous trauma, inflammation, infection in the eye causing inflammation; previous intraocular eye surgery; other genetic conditions; can be congenital; more info: eyedoc2020@blogspot.com.
EXCESS SUN WITH. Lack of protection does speed the aging of your eye lenses.
Doesn't much. High exposure to uv sunlight has been shown to accelerate the development of cataracts. Cataracts are mostly (95% +) from the aging process and genetics.

Related Questions

I had cataract surgery last weds. Today I inadvertently went outside in bright sun without my dark glasses on - did I do serious harm? I was only ou

NO HARM. I hope the cataract surgery went well! after cataract surgery your eyes are sensitive to bright sunshine so dark sunglasses are recommended for comfort. No harm done going outside for a short period of time. Read more...
Sun after cataracts. It is unlikely that you would get damage to your eye from the sun unless you were gazing directly in to the light. It is possible that it may have been uncomfortable, . Read more...
No. We recommend sunglasses to protect your eyes from uv damage, but also to make you comfortable. Most patients after cataract surgery will experience some light sensitivity during the immediate postoperative period, i.e., 1-2 weeks. I recommend my patients get into the habit of wearing sunglasses in bright sunlight regardless of having had surgery or not. Read more...
No harm. The dark glasses are not medicinal. They are to 1) give you some comfort from the increased light input to the eye after cataract removal and 2) provide a little protection from a direct poke to the eye. Do not worry. Read more...
Not a problem. Bright light early after cataract surgery can be uncomfortable for the patient but will not cause any damage or problems. Read more...