Isolating Masks for Illuminated Cabinets
Masks are used once an eye chart is installed in an illuminated cabinet. The patient holds the masks horizontally in front of the chart to isolate an individual symbol or letter.
The mask with the 1 1/4" square hole is used to isolate larger objects 20/100 etc. The mask with the 1" square hole is used to isolate smaller objects 20/50 etc.
Set of two 14" x 6" masks with 1" x 1" and 1.25" x 1.25" holes. Fits ESV1500, ESV1200, Model A+, or A illuminated cabinets.