The wet form is a greater threat to vision loss, but in some cases can be improved with laser surgery. Both types of macular degeneration can be slowed by taking antioxidants and zinc, but the dry form seems to respond better to this therapy. Focus on facts Whether you have these eye disorders or not, sunglasses should be worn year-round. But for safety's sake, they should never be worn at night, especially when driving. Plastic lenses are generally better than glass lenses at screening out UV rays but are more susceptible to scratches.
Infrared protection means little.
Infrared rays produce heat, and there is no proven link between infrared rays and eye disease. Sunglasses will not protect your eyes from the UV rays produced by electric arc welders, solar eclipses, tanning beds, or lasers. Protective goggles should be worn for these kinds of exposure or permanent vision loss can occur. Many contact lenses are also available with UV protection, but the AOA advises you wear sunglasses in addition to your contacts for optimum UV screening. Wrap-around frames help screen out UV leakage around the tops and sides of today's often trendy but small frames.