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Binocular fusion disorders, that is, any difficulties one's eye's may have fusing their images into a single image, are serious contraindications to laser eye surgery and while patients who have such disorders may find laser surgery quite tempting because their vision is not as good as other people's, they will be very vulnerable to worse vision problems afterwards. This includes conditions like esophoria and exophoria (eyes tending to wander in or out), ambylopia and strabismus.
An interesting and quite worrying trend we have observed is this: Some individuals may have some such disorder - even a very mild form of it - in their medical history, but have everything under control at the time of surgery and recent past. Then their surgery, say, creates a moderate amount of optical aberrations, or slight imbalance of prescription, and this triggers binocular fusion problems again, leaving the patient struggling with depth perception and basic daily functions.
We feel that laser eye surgery and any history of binocular fusion problems simply should not mix. |
