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What else can I help you with?
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
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 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.
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.
Which hard contact lenses can be worn for extended periods of time?
AcuVue makes a great hard contact lense and so does Focus Dailies Contacts.
What are the best contact lens solutions?
Visit Guru4Eyes.com to learn more about contact lenses and to order your lenses at a saving of 70%. Now your answer... Your doctor will be the most qualified person to recommend contact lenses to you. However, there are three basic types of contact lenses to select from: # Hard: Since the invention of soft lenses, these rigid PMMA lenses are rarely used today. # Soft: Purchased by 75% of contact wearers, soft lenses are made of plastic that incorporates water, thereby making the lenses soft or flexible. It also allows oxygen to flow to the eye, thus ensuring the health of eye-tissue. # RGP: These are Rigid Gas-Permeable lens, which are similar to hard contact lenses however, RGP's allow oxygen to flow through to the eye. Regardless of the type of lens you wear, it is strongly recommended that you remove contact lenses every evening prior to bedtime. Over-the-counter cleansing solution should be used to ensure your lens is free of bacteria and dirt prior to placing them back into your eye. The risk of eye infection is high when you leave your contact lenses in too long or fail to clean them. After using contact lenses, should you experience problems with your eyes such as blurry vision, scratchy feeling, pain or extreme redness, you should see your doctor immediately.
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.
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
What is the difference between caring for a soft contact lense and a hard contact lense?
Cleaning Hard contacts and soft contacts are very easy and similar. For soft contact cleaning, you must first wash your hands. This is so the oil and dirt on your hands don't ruin your contacts. Then remove one contact and place it in the palm of your hand with a few drops of contact solution. Rub the contact with your fingers for atleast 10 seconds to remove all the dirt. Then poor a few more drops of solution on the contact to rinse it. Put the contact back in it's case and repeat with the other contact. Hard contacts are very similar. The only difference is, after you rub them clean, instead of rinsing them with solution, rinse them with tap water. After placing contacts back in their place, be sure to fill the case with solution so they won't get dry.
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.
