Cataract Pre-Operative Evaluations

Cataract Pre-Operative Evaluations

Over the past two decades, the surgical equipment utilized to perform cataract surgery, has been improved further with each new generation of machine utilized for the surgery. Similarly dramatic have been the remarkable enhancements in the instruments that we utilize pre-operatively in the office to ascertain the optimal custom fit intraocular lens for any given patient. The quality of these high tech ophthalmic devices and ultrasounds utilized pre-operatively for lens implant determinations, as well as the expertise of the staff actually making the measurements, are of paramount importance for excellent visual outcomes. When a patient is disappointed with the final vision following cataract surgery, a frequent cause is that the lens implant is not the optimal power for that specific eye, forcing the need for glasses when the hope was to greatly minimize dependency on glasses for activities of daily living.

Dr. Alan Mendelsohn schedules every patient prior to cataract surgery for a pre-operative exam which typically last about an hour. Ironically, the actual laser cataract surgery takes about five minutes. Most people greatly underestimate the tremendous importance of extremely meticulous and supremely accurate measurements of the eye to ascertain the customized specifications of the lens implant. Dr. Mendelsohn exclusively uses the IOL Master 700 , widely considered the most accurate and preeminent ultrasound device globally available. The IOL Master 700 takes multiple repeat measurements to ensure exceedingly outstanding accuracy, thereby preventing unwanted refractive “surprises” which greatly disappoint the patient and surgeon.

Additionally, other diagnostic tests are performed at that time to make sure that all other critical structures of the eye are indeed healthy and that its safe to proceed with the laser surgery. In the unlikely event that Dr. Mendelsohn detects eye problems that were not detected on the comprehensive eye exam, such as subtle keratoconus, subtle epiretinal membrane, or very mild diabetic macular edema, when necessary, these ocular maladies can be treated prior to the laser cataract surgery so as to greatly increase the percent chances of an outstanding visual outcome following the laser cataract surgery. One never wants to be in a situation when cataract surgery is performed and only afterward the surgeon notes that a pre-existing ocular condition has been exacerbated and laments that he/she wishes that they knew of these pre-existing issues.


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