why do you need a prescription for contact lenses?
2644
The prescription is needed to get the right power and fit of the contact lenses (CL). The exam is a good idea because: Not everyone is a good candidate for CL; if your eye is too dry, or has irregular astigmatism, Fuchs dystrophy , eyelid problems, Giant papillary conjunctivitis, etc.
283098
Contact lenses are very safe. Still, wearing contact lenses can damage your eyes if you wear them too long, fail to clean them properly or do not replace them as directed by your eye doctor. Contact lenses are considered medical devices and are regulated by the U.S. Food and Drug Administration (FDA).
124818
Are glasses prescriptions and contact lens prescriptions the same? A glasses prescription is not the same as a contact lens prescription. Glasses sit slightly away from your eyes and contact lenses sit directly over your eye, so two different tests and measurements are required.
1011338
Patients who have insurance should also check with their company about coverage options. Most companies will only cover the purchase of colored contact lenses if a prescription is required as well. ... Some providers routinely include a free eye exam with the purchase of lenses.
357710
Since individual responses to contact lenses vary, your eye care professional may recommend that you wear your lenses for shorter continuous wear periods. Not everyone can reach the maximum wear time of 6 continuous nights. The lenses must be discarded and replaced with a new pair each month.
1039336
Wearing decorative contact lenses can be risky, just like the contact lenses that correct your vision. Wearing any kind of contact lenses, including decorative ones, can cause serious damage to your eyes if the lenses are obtained without a prescription or not used correctly.
497795
All contact lenses are classified as medical devices by the U.S. Food and Drug Administration (FDA) and require a valid prescription. ... It's extremely important that consumers get an eye exam and only wear contact lenses, with or without vision correction, that are properly fitted and prescribed by an eye doctor."
750214
Eyeglasses offer many benefits over contact lenses. They require very little cleaning and maintenance, you don't need to touch your eyes to wear them (decreasing your risk for eye infections), and glasses are cheaper than contact lenses in the long run since they don't need to be replaced as often.
728065
Can I use my glasses prescription for contacts? Contact lens and glasses prescriptions are not the same. A contact lens must match the size and shape of your eye. Therefore, a prescription for contact lenses contains information like base curve and diameter, as well as brand.
343790
Multifocal contact lenses are designed with a gradual transition between a prescription for close reading on one end and a prescription for normal distance viewing on the other. They are very similar to progressive eyeglasses.
528803
['Your eyes must be healthy. ... ', 'Your cornea must have sufficient thickness. ... ', 'Your pupils must not be too large. ... ', 'Your prescription must be within certain limits. ... ', 'You must be old enough. ... ', 'Your vision must be stable. ... ', 'You must be in good health. ... ', 'If you are pregnant, you should delay surgery.']
1191925
You can find your prescription on the piece of paper given to you by your optician during a check-up, on the end/side of your contact lens box or on the blister packs that contain your contact lenses.
822033
Are glasses prescriptions and contact lens prescriptions the same? A glasses prescription is not the same as a contact lens prescription. ... You may also find that there will be a cylinder and axis value on your glasses prescription, whilst it won't be prescribed for your contact lenses.
439161
Your optician will be able to discuss with you what is best in your individual case, but as a general point, it's recommended that you wear your contact lenses for a maximum of 10-12 hours per day. Wearing your lenses for longer may cause your eyes to become uncomfortable, red and prone to infection.
796909
There are many different medical reasons people wear glasses, but the simple answer is that glasses help people see better. Some people wear glasses for reading things that are far away or for driving. ... Thankfully, myopia, hyperopia, and astigmatism can usually be corrected by wearing eyeglasses or contact lenses.
407576
There is no "medicine" in eye glasses. Prescription eye glasses have lenses ground to correct the defects in the lens God gave you. It "adjusts" the light (images) entering your eye so that you see clearly. They do not ever "wear out".
1070796
As a result, people often choose to receive prescription reading eyeglasses to get a more accurate vision correction and frame fit. Distance glasses, on the other hand, are intended for people with myopia, or nearsightedness, to improve their ability to see faraway objects more clearly.