Sloan Letters 10 Feet-Linear Spaced Pachymetry 5 V Halogen Ophthalmoscope with

5 V Halogen Ophthalmoscope with AA-Battery Handle

80x 9mm 80° 72mm Hexagonal

*Engraved lenses are non-returnable and may take an additional 2-3 weeks to ship

5" (13mm) spool opening

*Comes with a single lens case

Sloan Letters 10 Feet-Linear Spaced Pachymetry 5 V Halogen Ophthalmoscope withManufacturer Part Number: 800713 Sloan Letter distance eye chart with linear spaced lines; line sizes range from 20 160 to 20 16 (6 48 to 6 4. 8) equivalent, 0. 12 to 1. 25. This chart can be used in Good Lite's illuminated ESV1018 or hung on the wall. Chart size is 10"x18" (25. 4 cm x 45. 7 cm). 10 feet, 3 meters testing distance.