The Pentacam and the Holladay Report

The Pentacam Corneal Topography System is the gold standard for evaluating the cornea prior to and following refractive surgery. When a cataract develops and surgery is indicated, the Pentacam provides a critical corneal measurement used to determine the power of the intraocular lens implanted in the eye. The Holladay Report (below) generates this information. Used in conjunction with data obtained from the Zeiss IOL Master, the appropriate IOL can be selected. Dr. Rubman was one of the first surgeons in the New York City area to offer this technology.

The Pentacam measurement process takes less than two seconds and minute eye movements are captured and corrected simultaneously. By measuring 25,000 true elevation points, precise representation, repeatability and analysis are guaranteed. These data points are then used to generate corneal maps used for diagnosis and treatment.

The Pentacam images the anterior segment of the eye by a rotating Scheimpflug camera performing a series of slit photographs. This rotating process generates pictures in three dimensions. Because of the rotational imaging, even the center of the cornea can be very precisely measured.

An example of the overview map generated by the Pentacam, showing the anterior chamber depth value also required the determine the power of the IOL implant at the time of cataract surgery

The Holladay Report provides the critical curvature data of the cornea used to determine the power of the intraocular lens