soft lens การใช้

• Soft lenses are easier to wear for a number of reasons.
• Some manufacturers plan to introduce permeable soft lenses over the next year, he added.
• "Usually, you buy these soft lenses in a package that's shrink-wrapped, " she said.
• "With soft lenses you're keeping them on for days,"
• Make sure the soft lens is not inserted inside-out.
• Spherical equivalent refraction is normally used to determine soft lens power and spherical glasses power.
• Finally, some wearers complain that vision with soft lenses is less sharp than with rigid ones.
• Soft lenses are also more likely to absorb soaps, lotions and other unwanted residues during handling.
• Soft lenses were put on the market in 1971, and disposable lenses became available in 1987.
• People who wear soft lenses are required to remove their lenses about three days before the exam.
• Rigids are more chemically inert, allowing them to be worn in more challenging environments than soft lenses.
• Oxygen-permeable soft lenses, he said, " have been playing catch-up, because they're very expensive to make ."
• Because soft lenses act like little sponges, they can attract irritants such as smoke in the air.
• Despite initiating the growth of a multibillion-dollar soft lens industry, Wichterle never became very wealthy from his invention.
• Over time, the demand for contact lens insurance shrank with the emergence of more affordable disposable soft lenses.
• The cataract was removed and a soft lens inserted to strengthen the vision in Moi's eye, Basu said.
• Ciba Vision said the lenses are the first high-oxygen, extended-wear soft lens of their kind in the United States.
• In fact, soft lenses made out of new, more pliable materials outnumber all other types by four to one.
• Soft lenses may be placed on the sclera ( white of the eye ) and then slid into place.
• Even wearing soft lenses that are not disposable and removing them every night did not eliminate the infection risk.