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what happens if you wear the wrong prescription contacts?

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What happens if you wear wrong prescription contacts?
if your contacts have the wrong prescription...
what could it do to your eyes??
could it possibly lead to blindless (worst case)??
thanks~
Update: (if you're wearing them regularly)

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asked Apr 15, 2017 in Health by Tavy

2 Answers

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It won't lead to blindness even in the worst case. If the perscription is really bad then you are going to have problems getting round and seeing at all so you are simply going to be unable to wear them without falling over and/or feeling sick. If they are slightly off either too weak or too strong its simply going to mean you either can't see in the distance properly or you have problems with close work. Having an astigmatism perscription wrong blurs things and makes you dizzy. Having the fit wrong makes teh lenses uncomfortable and is potentially the worst thing for your eyes as they can rub.

In summary if the prescription is badly wrong you won't be able to wear them regularly. If its slightly wrong you wont' get perfect vision. In neither case will your eyes be damaged.
answered Apr 15, 2017 by hippo37
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Overview
Contact lenses are an option for people who need a prescription for better vision but do not want to rely on eyeglasses every day. However, contact lenses require more than the prescription for correcting vision. The eye doctor must also measure the shape of the eye in order to prescribe the proper fit of lenses. A person should know the effects of wearing the wrong contact lenses to help her watch for signs that she may have the wrong prescription.

Blurry Vision
One of the most common effects of wearing the wrong contact lens prescription is blurry vision. Since contacts are meant to improve vision, the wrong prescription will typically cause impairment in a person’s vision. In some cases, a person with poor vision may notice a slight improvement in vision, even with the incorrect prescription. However, vision will not be clear. Wearing the incorrect vision prescription will not cause vision to worsen, but a person may experience eye strain and headaches as an effect of the wrong prescription.

Discomfort
The front of the eye, called the cornea, may have a slightly different shape for many people. Wearing the wrong prescription contact lens may feel uncomfortable. Also, the ill-fitting lens may move around, possibly scratching the eye’s surface. If the lens fits too tightly over the cornea, it may not receive nourishment from the tears that protectively coat the eye. A tight-fitting lens may lessen or eliminate the amount of tears under the lens, causing irritation and blurry vision. Extended use may eventually lead to a corneal infection.

Corneal Ulcers
Corneal ulcers may also result from wearing an incorrect prescription. A corneal ulcer is an infection of the cornea, and will typically cause severe eye pain, tearing and light sensitivity. If a person experiences these symptoms, she should stop wearing the contact lenses and seek an evaluation from an eye doctor. The doctor may prescribe one or more eye drops to treat the infection. However, if a person does not seek treatment, she may experience permanent scarring of the cornea, and this will likely result in vision changes.

Decorative Contact Lenses
Decorative contact lenses are sometimes worn to change the color or look of the eyes. These lenses are non-prescription, however there is still risk of infection and problems caused by improper fit. In addition, people who are not trained to put in these lenses may cause physical damage to the eye. An eye doctor should be consulted prior to the use of decorative contact lenses.
answered Apr 15, 2017 by dawgdays

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