Contact lenses are a breath of fresh air for many people with impaired vision. They are thin, weigh next to nothing and so comfortable that you forget you are wearing them, unlike glasses. There are some dangers of contacts though that wearers must be aware of if they are going to wear them on a regular basis.
Conjunctivitis is also known by its more common name of pink eye. There are many types of conjunctivitis, and the one you can get from contact lenses is one of the worst. It comes from bacteria that get in the eye and then multiply in the moist environment of the eye. It is exacerbated by the fact that your cornea gets less oxygen due to the barrier provided by the lenses.
If you are having trouble putting in your lenses, it may be because they are dry or you are trying to insert them wrong. This can cause tiny little micro tears on the cornea, which can then become infected from any bacteria that gets in there. If left untreated, abrasions can cause pain and even vision loss in extreme cases.
A corneal ulcer is another risk that comes with correcting your vision this way. This can be very serious and painful, and must be treated immediately because it can cause blindness within a day or two if not treated. It is an infection that could be bacterial, fungal or even parasitic in nature that invades the cornea and causes green pus and pain in the corneal nerves. If you experience these symptoms, get treatment immediately.
When you put your contacts in for the first time, your eye's reflex is to close when something gets close to it. As you get used to putting them in, your corneal reflex diminishes, allowing you to put them in with less resistance. This can be bad overall for your eyes, because then if something like a particle comes hurtling towards it, your reflexes may act slower and not close your eyelid in time.
There are many great advantages to wearing contacts. You can't feel them, you are not constantly adjusting them on your nose like glasses, and they won't get fingerprints on them. However, as great as they are, there are risks to wearing them too. Be sure to keep them clean, use sanitary practices and change them out often to avoid these risks to increase your chances of continuing to have optimum eye health.
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