orchid, glass inherently inhibits more UV rays, but UV coated plastic is safe and equal to glass. Gray lenses affect color discrimination the least and are comfortable to most.

orchid, older folks are more light sensitive for a few reasons. 1. They are more light sensitive due to pigment dropout in the eyes allowing more light to penetrate.
2. Even early cataracts can scatter light in the eye increasing sensitivity to glare.

About not wearing sunglasses, it is true that increased exposure to UV rays will cause cataracts to develop at an earlier age.
A study on Chesapeake Bay watermen confirmed this years ago.

Tearing is sometimes due to dry eye. It seems odd, but it's a fact that dry eyes tend to tear erratically, especially in peri and post menopausal women. This is because the tear gland senses the dryness and sputters out tears to compensate it. Artificial tears and certain prescription medicines are available to help with this.

Jawjaw, Near-sightedness can be surgically corrected by several refractive techniques such as LASIK, PRK andICL, etc.

Dotsie doesn't snore, but she sleeps with her mouth open and drools.

chatty, Ross wants you to call him at home because it's a long explanation. Email me for the number if you don't have it.

DJ, fortunately most times basal cells on the eyelids have a happy ending. I've seen melanomas on the eye surface and heard of them on lids, this is a completely different story. Sunscreen on eyelids is helpful, but be careful applying.

Hope this makes sense. Ask other questions if you wnat. The answers are brief. Let us know if you wnat a more detailed explanation.