Contact Lenses, Advantages and Disadvantages

Contact lenses can be a quite normal method in which patients choose to correct their vision. They have several advantages over glasses, but could create problems too.
Advantages include better vision because of correction on top in the eye, and handle field of vision.
Several problems can happen as a result of contact wear too, so care has to be taken up avoid these complaints. Many doctors refer their patients to ophthalmolgists for evaluation and treatment of their lens related problems.
How can lenses damage a persons vision?
Contacts may cause many problems in a person’s eye, but only several commonly encountered diagnoses could cause severe problems. Giant papillary conjunctivitis, punctate keratopathy and ulceration will be the three most problematic issues.
Giant Papillary Conjunctivitis (GPC)
GPC occurs due to overwear of disposable lenses, either a lot of hours each day, or lots of days consecutively. Symptoms include itching, inability to wear lenses for hours on end, and mucous discharge.
Punctate Keratopathy
Overwear can also result in a problem on the surface with the cornea, where the top layer of cells are damaged. The eye doctor sees tiny pinpoint scratches for the cornea caused by decreased oxygen to people cells.
The most prospect of a threat to vision will be the corneal ulcer. In this case, bacteria penetrates the surface in the cornea, causing infection that appears as a white spot. If untreated, this infection can penetrate and cause infection inside the eye.
How could we prevent lens problems?
The most significant thing for patients to do is control their contact wear. Although many lenses were created and approved for overnight wear for between 2 and 4 weeks, most eye doctors recommend nightly removal and cleaning. The single most frequent reason for contact related problems is overwear, along with a large study indicated that overnight wear is fourteen times more prone to cause ulcers than any other risk factor.
Are there safer options to wearing disposable lenses?
Of course, glasses include the safest strategy to correct vision without running the potential risk of disposable lenses. Since glasses don’t touch your eye area, they cannot cause problems. On the other hand, being that they are away from the eye area, the tend not to give vision that is as sharp as contacts. Rigid or hard disposable lenses are better yet simply because they float on top with the eye, effectively smoothing out any rough
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spots, giving the very best vision.
Recent studies also show that LASIK has less risks than contact lenses, though it may be a surgery. It is a lot more common for lenses to cause infection, inflammation etc vs. LASIK.