Q What are the chances of developing any of the following side effects (and for how long) post LASIK treatment:- List of issues:

(I have gone through your website which says there would be no side effects, still I keep meeting people who complain of some form of side effect at the least)

a) Halo effect/ blurred lights (bulbs / direct sunlight / car headlights / faded bright colors) starburst around lights in the night which increases if source of light decreases in room(my pupil might be expanding beyond corrected zone)

b) Poor night vision

c) Night glare (especially while driving – from the headlights of the oncoming vehicles)

d) Prolonged irritation in the eye

e) Prolonged dryness

f) Blurred morning vision

g) Blood clot in the eye (in the visible white area around the eyeball

h) Negligible vision in dim light, people/objects seem like black outline.

3. Strong glare from oncoming traffic (light) at night due to which I can no more drive a 4 wheeler or ride a 2 wheeler.

4. If there is any source of light behind a person or objects then I do not see that object at all, all I see is a black outline of the object or person.

5. Strong reflection from shiny objects in sunlight Or Light sensitivity & Contrast loss.

6. Glare around objects in day time.

Ans.    The above exist with the kind of technology used. In the night the pupil expands to let in more light, so if your treatment zone is smaller than the pupil dilation, this issue will exist. Some lasers do not have the capability to treat a large optical zone (which in the WaveLight Laser that we use is the largest possible), hence we do not face this issue. You may feel some temporary glare when the layers of the eyes are healing and this will not extend to over 3 months. But the kind you read about on the net is permanent night vision issues which we do not face. For this we also check your pupil diameter in dim light condition.

The above again happens if you have dry eyes or are prone to dryness. The dry eye is checked by Dr Shroff using tests and if having dry eyes it is then graded as mild, moderate or severe. Severe needs to be treated before LASIK, so, you will be declared unfit, if this comes about. For mild to moderate we have Epi-LASIK as an option. As a precaution, we also prescribe lubricating eye drops for three months after LASIK to cover all patients from the temporary dryness and irritation that one would feel on the surface of the eyes as a result of healing.

This may or may not happen; again it is outside the treated area and will fade away in 15 days time.


Q  a) All the side effects mentioned in question 1 are short term in nature. Are there any chances of developing any long term symptoms? Let’s say, after a period of 1-2 years would I need to take any precaution in any activity because of the LASIK surgery

b) OR, I will be at par with any other person with healthy eyes?

c) Similarly, are there any specific disadvantages to a person who has undergone a LASIK surgery vis a vis one who hasn’t in case of any future eye injury?

d) Since you are doing LASIK treatment from more than last 10 years, are their instances of patients coming back after 2-3 years or more with complaints of any sorts?

Ans.   We have not seen any long term side effects of LASIK, which is a superficial treatment and if done on the right candidate in the correct manner, it is very safe and also its results are permanent. However, vision is not just deteriorated due to spectacle errors or powers. A lot goes into terming ‘healthy eyes’. The laser does not enter inside the eyes, hence if any changes due to age, diabetes, high blood pressure etc were to creep into the eyes, it would have happened irrespective of LASIK and its line of treatment also does not change. However, when one undergoes a cataract surgery, in today’s cataract one can also get rid of their spectacle errors, but for this an accurate formula needs to be applied if you have undergone LASIK. Our surgeon, Dr Anand Shroff also performs cataract besides LASIK and hence is able to with his expertise achieve this in those patients who have had LASIK in the past. All it requires is for you to inform your doctor that a procedure was performed.

The only thing that we have seen with patients coming back is a small number creeping in due to their lifestyle on the PC and if they do not follow our instructions. This with our instructions is reduced to being less than 0.4% of the time. The choices are to either re treat or fine tune the initial procedure or use glasses for very fine visual work (the choice usually depends on their lifestyle and age). Besides this, other eye events have been independent of the LASIK procedure.

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