Sloan Letter Illuminated Cabinets Chart

This Macula chart featuring Sloan Letters is used to determine potential acuity before cataract surgery. Fits into the Super Pinhole Macula Illuminated Cabinet. Features proportionally spaced (logMAR) lines; line sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent.

Dimensions: 10" x 10" (25.4 cm x 25.4 cm).

Testing distance: 5 feet/1.5 meters for all Illuminated Cabinets charts.