Contact Lenses, Advantages and Disadvantages
Contact lenses can be a very common method in which patients choose to correct their vision. They have several advantages over glasses, but could lead to further problems too.
Advantages include better vision because of correction on the surface from the eye, and finish field of vision.
Several problems can take place because of lens wear too, so care have to be delivered to avoid these complaints. Many doctors refer their patients to ophthalmolgists for evaluation and treatments for their lens related problems.
How can contact lenses damage the eye?
Contacts could cause many problems in the eye, but only a few commonly encountered diagnoses might cause severe problems. Giant papillary conjunctivitis, punctate keratopathy and ulceration will be the three most problematic issues.
Giant Papillary Conjunctivitis (GPC)
GPC occurs because of overwear of contacts, either lots of hours per day, or too many days in a row. Symptoms include itching, inability to wear lenses for hours on end, and mucous discharge.
Overwear can also lead to a problem on top from the cornea, the place that 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 potential for a threat to vision could be the corneal ulcer. In this case, bacteria penetrates the surface in the cornea, causing disease that seems as a white spot. If untreated, this infection can penetrate and cause infection inside a person’s eye.
How are we able to prevent lens problems?
The most critical thing for patients to complete is control their contact lens wear. Although many lenses are made and approved for
best contact solution for sensitive eyes
best contact solution for sensitive eyes overnight wear for between 2 and four weeks, most eye doctors recommend nightly removal and cleaning. The single most popular source of lens related problems is overwear, and a large study demonstrated that overnight wear is fourteen times prone to cause ulcers than some other risk factor.
Are there safer choices to wearing disposable lenses?
Of course, glasses would be the safest way to correct vision without running the chance of contacts. Since glasses usually do not touch your eyes, they cannot lead to further problems. On the other hand, since they are away from the eye area, the tend not to give vision which is as sharp as disposable lenses. Rigid or hard disposable lenses are better still given that they float at first glance of the eye, effectively smoothing out any rough spots, giving the top vision.
Recent studies also demonstrate that LASIK has less risks than contacts, this specific a surgery. It is considerably more common for lenses to cause infection, inflammation etc vs. LASIK.