Contact Lenses, Advantages and Disadvantages

Contact lenses really are a common method in which patients choose to correct their vision. They have several advantages over glasses, but can lead to further problems too.
Advantages include better vision because of correction on the outside from the eye, and handle field of vision.
Several problems can take place as a result of contact wear too, so care should be come to avoid these complaints. Many doctors refer their patients to ophthalmolgists for evaluation and treating their lens related problems.
How can lenses damage the attention?
Contacts can cause many problems in a persons vision, but only several commonly encountered diagnoses might cause severe problems. Giant papillary conjunctivitis, punctate keratopathy and ulceration include the three most problematic issues.
Giant Papillary Conjunctivitis (GPC)
GPC occurs due to overwear of lenses, either too many hours each day, or lots of days in a row. Symptoms include itching, inability to wear lenses all day, and mucous discharge.
Punctate Keratopathy
Overwear may also lead to a problem at first glance with the cornea, the location where the top layer of cells are damaged. The eye doctor sees tiny pinpoint scratches for the cornea a result of decreased oxygen to people cells.
Ulceration
The most prospect of a threat to vision is the corneal ulcer. In this case, bacteria penetrates the surface with the cornea, causing an
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infection that looks like a white spot. If untreated, this infection can penetrate and cause infection inside the eye.
How will we prevent contact problems?
The most significant thing for patients to accomplish is control their contacts wear. Although many lenses are designed and approved for overnight wear for between 2 and 30 days, most eye doctors recommend nightly removal and cleaning. The single most common reason behind contact related problems is overwear, as well as a large study demonstrated that overnight wear is fourteen times more likely to cause ulcers than any other risk factor.
Are there safer options to wearing lenses?
Of course, glasses include the safest way to correct vision without running the risk of disposable lenses. Since glasses don’t touch the eyes, they cannot make trouble. On the other hand, because they are away from the eyes, the usually do not give vision that is as sharp as lenses. Rigid or hard disposable lenses are better still given that they float on the surface in the eye, effectively smoothing out any rough spots, giving the very best vision.
Recent studies also show that LASIK has less risks than lenses, even though it is a surgery. It is much more common for contact lenses to cause infection, inflammation etc vs. LASIK.