Contact Lenses, Advantages and Disadvantages

Contact lenses really are a common way that patients choose to correct their vision. They have many perks over glasses, but sometimes create problems too.
Advantages include better vision as a result of correction on the outside from the eye, and complete field of vision.
Several problems can happen because of contact lens wear too, so care must be come to avoid these issues. Many doctors refer their patients to ophthalmolgists for evaluation and treatment of their lens related problems.
How can contacts damage the eye?
Contacts may cause many problems in the attention, but only a couple of commonly encountered diagnoses might cause severe problems. Giant papillary conjunctivitis, punctate keratopathy and ulceration would be the three most problematic issues.
Giant Papillary Conjunctivitis
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(GPC)
GPC occurs as a result of overwear of lenses, either way too many hours per day, or lots of days consecutively. Symptoms include itching, inability to wear lenses throughout the day, and mucous discharge.
Punctate Keratopathy
Overwear could also result in a problem on the surface with the cornea, the location where the top layer of cells are damaged. The eye doctor sees tiny pinpoint scratches on the cornea caused by decreased oxygen to people cells.
Ulceration
The most prospect of a threat to vision will be the corneal ulcer. In this case, bacteria penetrates the surface with the cornea, causing infection that appears as a white spot. If untreated, this infection can penetrate and cause infection inside a person’s eye.
How will we prevent contacts problems?
The most crucial thing for patients to accomplish is control their contact wear. Although many lenses are designed and approved for overnight wear for between 2 and 4 weeks, most eye doctors recommend nightly removal and cleaning. The single most common reason behind contact lens related problems is overwear, as well as a large study demonstrated that overnight wear is fourteen times very likely to cause ulcers than another risk factor.
Are there safer alternatives to wearing disposable lenses?
Of course, glasses will be the safest way to correct vision without running the risk of lenses. Since glasses don’t touch the eyes, they won’t create problems. On the other hand, since they will be away from the eyes, the tend not to give vision that is certainly as sharp as lenses. Rigid or hard lenses are better yet because they float on top in the eye, effectively smoothing out any rough spots, giving the best vision.
Recent studies also reveal that LASIK has less risks than disposable lenses, while it’s a surgery. It is far more common for contact lenses to cause infection, inflammation etc vs. LASIK.