Small-diameter aperture optics, or as many call it, the pinhole, can increase depth of focus, enhance quality of vision at distance in select patients and mask small refractive errors, whether myopia, hyperopia, astigmatism or presbyopia.
Widely used in the camera industry, small-diameter aperture optics (SDAO) is rapidly evolving as a therapeutic modality in ophthalmology and optometry. I have participated in several projects in this field over the last 20 years and serve on the board of directors, medical advisory board or as a consultant to several companies applying SDAO to unmet needs in
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