Vision Acuity Testing

Instruments for visual acuity testing, stereo vision testing, color vision testing and more, can be found in this section. These include the Titmus Vision Screener, Butterfly, Randot, & Stereo Fly Test. Western is a direct source for the Ishihara Color Test. In addition, Western offers the Phoria Measure or rotary prism, Snellen eye charts, near point reading cards, various occluders and other ophthalmic examination devices.