Instead of using scotch tape over the lenses of your patient's glasses, try our Translucent Lens Glasses.
 
CLIP-ON Adult size glasses with Translucent lens.
 
Black frame with your choice of position for the Translucent Lens - Right or Left. Opposite lens side will be left empty. Plastic framed glasses with one translucent plastic lens. Glasses slide over your patient's glasses. Fits over most adult glasses.
 
Manufactured by Hummingbird Hues, LLC.
 
(CUSTOM MADE EQUIPMENT - Ships within 4-6 Business Days.)