Nidek Launches Feedback Exam for Low Vision Care and Scotopic Microperimetry

Source: Nidek

Nidek has announced the launch of the feedback exam for visual rehabilitation and scotopic microperimetry for the MP-3 Microperimeter.

The MP-3 measures local retinal sensitivity for functional assessment of the retina with a maximum stimulus luminance of 10,000 asb. The results can be displayed over a color fundus image, correlating retinal anatomy to retinal function. Using the displayed measurement results, the feedback exam function provides visual rehabilitation training for low vision patients who have lost foveal fixation to relocate their preferred retinal locus to a different region, called the trained retinal locus (TRL). The TRL is predetermined by a physician and fixation rehabilitation allows the patient better functional vision (i.e. reading speed) due to increased fixation stability and visual outcomes. The feedback exam is released as a standard function in the MP-3.

The MP-3 type S, which provides scotopic microperimetry, is also being released concurrently. Scotopic microperimetry is used to assess the changes in rod sensitivity of degenerative retinal diseases including age-related macular degeneration (AMD) and some forms of retinitis pigmentosa. This modality can be used in clinical trials of new therapeutics for retinal diseases that impair rod function. The MP-3 type S is currently available only in countries with CE marking.

“With the introduction of these new functions for microperimetry, we are providing methods to maximize visual performance among low vision patients for a better quality of life,” Motoki Ozawa, President and CEO of Nidek, said in a company news release. “The incorporation of these new functions in the MP-3 will allow low vision care providers to offer enhanced options for low vision patients. There are 12 million patients suffering from dry age-related macular degeneration (AMD) who currently do not have effective options for medical therapy. Examination with scotopic microperimetry is fundamental for the development of medications for dry AMD and the MP-3 will aid this process.”

The additional features of the MP-3 Microperimeter are CE Mark approved but not yet cleared by the FDA. 

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