But people are successful in preventing them from utraviolet effect. Artifical crystal,sun glasses, special glasses and application of UVR prevention principle play an effective role in protection of eyes.

• 但人们在防护紫外线方面也卓有成效,人工晶体、太阳镜、特殊镜片和UVR防护原理的实施等,都能起到有效保护眼睛的功用。