Pupil gauge that can be read directly in front of the eye for improved accuracy.
60 second/1 minute sand timer. Never worry about running out of batteries. The perfect desktop timer for use with short timed cognitive tests such as the Montreal Cognitive Assessment (see www.mocatest.org)
Nurse Practitioner / ARNP
Astron's version of the Maddox occluder. Slightly sharper dispersion line