Diplopia (3rd, 4th and 6th nerve palsies,
following cataract surgery, myasthenia
gravis, MS Graves Disease).

Phorias (symptomatic or decompensated
phorias).

Prisms are used for patients that are bed-
ridden, are Diabetes mellitus, post
cataract surgery and low vision.
Used as a fusion stimulus in other
muscle deficiencies.

Ultra-thin 3M Press-On Optics - prisms
and spheres - measure only 1mm thick.  
Prisms may be cut to fit most frame sizes
and shapes and adhere to existing
lenses with only water.
Aspheric Lenses  plus and minus and as
D-segments.