Optically Obvious: Strabometry: CLRTs (Corneal Light Reflection Tests)(i.e.: Hirschberg's and Krimsky's) are Tester (Examiner) Monocular tests, Not Binocular.
Paul E
PE
Romano
D005123:Eye; D006801:Humans; D013285:Strabismus; D015348:Vision, Binocular; D015349:Vision, Monocular