LASIK is a procedure that permanently changes the
shape of the cornea, the clear covering of the front of the eye, using
an excimer laser. LASIK eye surgery is basically for people who are
nearsighted or farsighted and have astigmatism. The goal of LASIK
surgery is to change the curvature of the cornea, which is the
outermost part of the eye. It allows the person to see without glasses
or contacts. After the surgery some patients may develop severe dry eye
syndrome, which can be treated with artificial tears and usually takes
six months to recover.
On completion of LASIK surgery, the
regular nerve impulses that direct the lacrimal gland to produce tears
are often interrupted. It is considered an expected phase of the
healing process. Dry eyes cause gritty and uncomfortable sensations. In
order to avoid this condition, a surgeon carefully examines the eyes
and recommends lubricating and moisturizing drops to the patients. They
are also advised to keep the eye adequately bathed in tears for the
eyes to heal properly and also refrain from overusing the drops.
Dry
eye problems range from less serious to more serious complications.
While a patient experiences itching, redness, or pain after the vision
correction surgery, there are others who face minor problems that can
be solved with topical treatments for the eyes. In order to resolve the
serious cases of dry eye problem, a tiny plug is inserted that prevents
tears from going to the nose and allows lubrication in the eye. People
also rely on flax seed oil caplets and a humidifier in their home,
which relieves the dry, scratchy feeling. New treatments for dry eyes
include collagen or silicone punctal plugs and punctal cautery. These
greatly reduce symptoms, promote healing and improve vision by
enhancing the quantity and quality of the eye's natural tear film.
In less serious cases, the patient's eyes return to
their normal or near normal lubrication levels in a short period.