Please read description carefully.
Do not base your order on the picture presented.
This simple White to White gauge can be used to measure the horizontal cornea diameter for IOL and implantable contact lenses.
Gauge provides comparison rules for corneal measurement in 0.5 mm increments from 8.5 to 14 mm.
Application is similar to Holladay-Godwin Corneal Gauge.
As an option, screw fastener can be removed for use of gauges separately.
It can be wiped clean with alcohol.
Overall dimensions closed are 3.5 x 1 7/16 (90 x 37 mm).