After the completion of Lasik eye surgery, most patients observe a marked improvement in their eyesight. Patients often observe a drastic improvement from the next day of the surgery. Although Lasik eye surgery is characterized by fast recovery of the sight, but sometimes it may take a few months for patients to attain their complete vision. Many studies show that the vision of a few patients continues to improve for six months after the operation. During the slow recovery period, patients may observe little fluctuations in their vision which gradually diminish with time.
Crispness of Vision after Lasik Eye Surgery
Some patients after Lasik eye surgery may complain that the images are not crisp or sharp as compared to the images seen through glasses. In ophthalmic literature this condition is commonly known as “loss of contrast sensitivity”. They notice the difference between 20/20 vision with glasses or contact lenses before and 20/20 vision after surgery. Many patients adjust to the change, but some patients face difficulty adjusting for the first few months after the surgery. Often these symptoms disappear a few months after the surgery.
A few patients may observe dry eyes after the Lasik eye surgery. The symptoms can vary extensively from being asymptomatic, to feeling the characteristic dry sensation whole of the day to irregular dryness during the day. Sometimes, dryness is accompanied by blurred vision. These symptoms diminish when the dry eyes are treated. It is easier to diagnose clinical dry eyes and majority of patients react well to treatment. In most patients, dry eye symptoms subside within a few weeks or months after the surgery. If you observe any symptoms of dry eyes after eye surgery then it is advisable to consult your ophthalmologist.
Glare / Halos / Starbursts after Lasik Eye Surgery
After Lasik eye surgery, many patients observe a short-term decrease in night vision with symptoms like halos, glare and starbursts. These symptoms subside within 5-6 weeks after surgery in the majority of patients. But, some patients may experience these symptoms for a longer period of time. There can be various reasons for the decreased night vision like mild swelling of the lasik flap, incomplete improvement of the nearsightedness and astigmatism or farsightedness. Sometimes, clinical dry eyes may also contribute to the occurrence of halos and glare.
Depending upon the reason, there are various treatment options available for the patients experiencing these symptoms. Some patients may be prescribed eye drops which prevents pupil dilation during night to decrease the symptoms of reduced night vision. Sometimes, the diagnosis and treatment for the clinical dry eyes can lessen many other symptoms. For people with astigmatism, Toric contact lenses can be prescribed. Latest advancements in the laser technology offer great promise.
Overcorrection, Undercorrection and Regression
Many a times, nearsighted patients observe an overcorrection and will become farsighted and vice-versa. In cases of under or over correction, your ophthalmologist will discuss the various treatment options with you. Usually the ophthalmologists choose to wait for 3-6 months approximately before performing enhancement, to ensure the final achievement of the complete vision. To correct the remaining error, doctor may perform either a myopia or hyperopia Lasik.
An alteration in initial visual result is called as regression. In this condition as the eye regains small amount of farsightedness, nearsightedness or astigmatism, sharpness of the vision decreases. Regression might occur within the first few weeks post surgery. Your ophthalmologist will assess the regression to decide its cause and evaluate treatment options for you.
Other Potential Complications
It is highly advisable for the patients to report to their doctor at once if they observe any changes after the surgery. The doctor who has performed the surgery has a complete medical history of the patient and can determine if the condition of the patient is within limits or needs more care.
To prevent complications after lasik surgery, proper aftercare is essential. To learn about this, please read our related article Lasik Eye Surgery Aftercare