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What else can I help you with?
What types of contract lens are for sale?
There are three types of contact lenses available for sale: soft, hard, and specialized. Soft contact lenses are the most popular worldwide and are available as daily wear, extended wear, or as a disposable variety. If well taken care of, one pair of hard contact lenses can generally be used for two or three years. Specialized contact lenses are for certain visual needs and include hybrid, bifocal, and tinted lenses.
What are hard contact lenses made of?
Hard contact lenses are made of a plastic polymer called polymethyl methacrylate.
Does flourecein dye stain contact lenses?
Yes, it will stain soft contact lenses. It will not, however, stain hard contact lenses. If you are concerned, use large molecule Fluroescein dye. (ie-flurasafe)
Does Liquid Enzymatic Cleaner disinfect hard contact lenses?
no
What is ortho?
Orthokeratology, or Ortho-K, or simply OK, is using rigid contact lenses to reshape your corneas. This enables you to wear the lenses for a period of time, take them out, and be able to see without contact lenses or glasses at all, for a period of time. ANSWERS Modern Orthokeratology is the use of specially fitted hard gas permeable extended wear contact lenses that within a few days of full time wear can remove moderate amounts of nearsightedness for short periods of time. To maintain the change the lenses are worn as retainers while sleeping and taken off during the day until the changes become more permanent. Then the lenses are worn as needed any time to remove any blur that's returning.
Why were early contact lenses hard to sell?
a pair of contact lenses sold for $200, an exceedingly high price to pay for many consumers, and the discomfort caused by wearing the hard, hydrophobic lenses, which initially covered most of the exposed eyeball
What is ortho keratology?
Orthokeratology, or Ortho-K, or simply OK, is using rigid contact lenses to reshape your corneas. This enables you to wear the lenses for a period of time, take them out, and be able to see without contact lenses or glasses at all, for a period of time. ANSWERS Modern Orthokeratology is the use of specially fitted hard gas permeable extended wear contact lenses that within a few days of full time wear can remove moderate amounts of nearsightedness for short periods of time. To maintain the change the lenses are worn as retainers while sleeping and taken off during the day until the changes become more permanent. Then the lenses are worn as needed any time to remove any blur that's returning.
What is ortho-keratology?
Orthokeratology, or Ortho-K, or simply OK, is using rigid contact lenses to reshape your corneas. This enables you to wear the lenses for a period of time, take them out, and be able to see without contact lenses or glasses at all, for a period of time. ANSWERS Modern Orthokeratology is the use of specially fitted hard gas permeable extended wear contact lenses that within a few days of full time wear can remove moderate amounts of nearsightedness for short periods of time. To maintain the change the lenses are worn as retainers while sleeping and taken off during the day until the changes become more permanent. Then the lenses are worn as needed any time to remove any blur that's returning.
Should I wear glasses or contact lenses?
This depends on how bad your vision is, if it is not super bad you can probably wear contact lenses rather than glasses. Also some people have dry or easily irratible eyes and therefore have a big problem with thier contacts. Finally make sure to check with your opthamologist about anything else that might be paticular to you. Hard contact lenses are typically more expensive than soft contact lenses because they are not disposable. Hard lenses are designed to be cleaned and reused and often last for more than a year. Hard lenses are typically reserved for special eye problems were soft lenses are not practical.
What are the different types of contact lenses?
Contact lenses may be daily or monthly.Daily disposables are worn once and thrown out. They are convenient and hastle free and do not require any lens care regimes.Monthly disposable lenses are worn for a month and require cleaning every time they are used.Depending on your need and frequency of use either option could be suitable for you.Contact lenses basically are of two types soft and hard – These are made of plastics and other material that allow oxygen to pass through to the cornea. The hard lenses most commonly used today are rigid, gas-permeable lenses for short. Excellent
How many hours per day it is advisable to wear daily lenses?
Contact lenses can be worn 8 to 10 hours per day, depending on type (hard, semisoft or soft). It is not recommended that someone should sleep in contact lenses although some brands advertise that you can.
How did the invention of soft plastic material change contact lenses?
the pliable, hydrophilic material absorbed tears rather than shedding them, as did hard contact lenses, and virtually eliminated any sensation of the eyelid passing over the lens.
