Product Information 20D aspheric lens is made out of glass provides high resolution and field of view on retinal image with binocular indirect ophthalmoscope. 90D offers a wide-field fundus imaging out to and beyond the equator, ideal for posterior pole scanning, this is the non contact version lens, made out of glass. 78D provides and ideal combination of field and magnification, providing and extended working distance from cornea, it is made out of glass.
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Civil Lines, Prayagraj, Uttar Pradesh