Can See Clearly Now

Contact lenses come in a wide variety there are soft lenses and hard lenses there are some you can wear night and day for a month or more, and disposable ones that you need wear only for a day there are lenses that let your eyes breathe there are bifocal lenses and there are even lenses to correct astigmatism, a condition of the lens of the eye which makes everything seem blurred. All are products of years of research by chemical companies like Novartis, Ciba Vision, and Wesley Jessen. There are even coloured lenses that can make blue eyes bluer, and sport lenses that enable tennis players to keep their eye on the ball by enhancing the colour of a yellow tennis ball relative to its surroundings. 

20 Better Looking (I) Hair, Eyes, Teeth, Nails 

7) The Spitfire fighter planes of World War II noted that fragments could remain 

Although its softness was a real benefit, HEMA still did not allow significantly more oxygen to penetrate through to the cornea. Nevertheless the lenses, marketed by Bausch and Lomb under the brand 

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