Harmful if sleep in contact lenses

Anyone who wear contact lenses have heard that sleep in them, in general, is undesirable. But sometimes there is no power to remove the lens. Or you spent the night with friends, and the container and the liquid lens you with a no, or you fell asleep during the day. And, apparently, nothing terrible, but in November Huffingtonpost there was news about a man who lost his sight due to the fact that sleep in the lenses.

The cornea receives oxygen only from the air. When you wear contact lenses, the oxygen supply is reduced when you close your eyes, oxygen is even less. When you sleep in the lenses, the lack of oxygen can reach the critical point, according to Dr. Medical Sciences and ophthalmologist surgeon Kerry Assil (Kerry Assil) of the Assil Eye Institute in Los Angeles.

Due to lack of oxygen occurs swelling of the cornea which may lead to erosion. And erosion increases the risk of bacterial penetration is almost 7 times as said Thomas Steinemann (Thomas Steinemann), MD, of the American Academy of Ophthalmology. And because the eyes are not the same immunity as that of the rest of the body, the infection develops very rapidly.

Moreover, your lenses - this is actually a Petri dish, says professor of ophthalmology at Oran James (James Auran) from Columbia University. Ie you hold a hotbed of bacteria directly in his eye.

But if you take a nap in lenses 15 minutes, nothing do not happen?

Dr. Assil compares the attempt to sleep in lenses even 15 minutes with Russian roulette, or walk through a minefield. Swelling of the cornea begins immediately and lasts as long as your eyelids are closed. The longer you sleep in the lenses, the greater the risk.

Sleeping in contact lenses harmful to the eyes and in the long run. We blink about three million times a year, and every time you blink in the lenses you are a bit rubbed membrane of the eye. Mucous membranes ogrubevayut not give sufficient lubrication. Add to this the inflammation from sleep in lenses, and you will understand how to aggravate the problem. And if you are prone to dry eyes and allergic reactions, then sleep in the lenses may lead to intolerance, and you will not be able to wear lenses ever.

Output

Take 30 seconds before going to bed to remove the lens, or buy only silicone hydrogel lenses, which indicates that they are suitable for day and night wear. If you still had to sleep in lenses for some reason (a long flight in an airplane, the unexpected spending the night away from home), drip into the eyes of rewetting drops before bedtime and always in large numbers after Sleep. Before drip drop, do not try to pull the lens: you can scratch the cornea, which has already been damaged during sleep time.