Product Description Technical Data Reviews Optivisor lenses, made of high quality optical glass, are ground and polished to precision ophthalmic standards. Show More Show More Custom Field Focal Distance 8" Magnification Power 2.50X __UOM Description Each __uomdescrip Each __techspec Y Overall Rating 0.0 0 Reviews Write a Review Create a Review Replacement Lenses for Donegan OptiVISOR® - #5 Overall Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Add a Headline * Add a Review *