Developments in the field of contact lens technology are producing ever better contact lenses that are increasingly convenient to wear throughout the whole gamut of vision conditions and lifestyles. Bifocal contact lenses are today available to correct presbyopia, a common problem in the over-40 age group.
Presbyopia is a vision condition in which they eyes are not able to focus clearly on near objects. It usually begins after the age of about forty when the lenses in the eye start reducing in flexibility. Presbyopia affects around 90 million adults in the USA alone and about one in four patients passing through an optometristâs door will suffer from it.
Symptoms of presbyopia include difficulty in reading, difficulty in seeing in low lighting conditions and View the rest of this article
Thursday, December 6, 2007
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