 [ Symptoms ] hello i have had an endoscopic sinus surgery some days ago my doctor did not gave me any specific guidance and i have had sex with my wife from the 2nd day after surgery i saw some websites which prohibited patients from strenuous activities as sex so i was wondering if it is so harmful and if yes why or it will just cause bleeding from sinuses i have some kind of headaches now and i am really worried so any help is so appreciated thanks in advance for your attention [ Disease ] like other eye surgeries even femtolasik surgery has its own side effects these include 1 dryness of eyes can be caused by effect on the nerves producing tears 2 there may be increased sensitivity to light but this is a temporary side effect 3 there may be decreased night vision which is again a temporary side effect but may persist for a long time in some people 4 there may be over or under correction of vision which may even require a repeat surgery 5 it may cause too thin or irregular corneas this may cause irregular astigmatism 6 it may also cause high refractive error and unstable vision 7 it may also cause growth of cells from outer layer of the cornea under the flap <positive_smiley> rare side effects include infection and retinal damage you should discuss the pros and cons with an ophthalmologist and then go on for famtolasik surgery it is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided for exact diagnosis you are requested to consult your doctor i sincerely hope that helps take care