Apparatus for examining eyes

Claim 1

An improved eye testing apparatus adapted for interchangeable optical functions comprising in combination a binocular telescope magnifier and an ophthalmological examining instrument, wherein the main objective lens of the binocular telescope magnifier is positioned in a mount having a rectangular circumference, said mount being adapted to pivot about a horizontal axis to a first and second predetermined position said horizontal axis being orthogonal to the optical axis, and said first predetermined position being such that the optical axis of said main lens is aligned with the optical ray path, said second predetermined position being such that said main objective lens is displaced rectangularly upward and out of its position of alignment, said mount being provided with a connection means for the detachable connection of the ophthalmological instrument, said ophthalmological instrument being positioned such that in the second predetermined position its optical axis is axially aligned with the optical ray path; said mount being further provided on its upper side with a two-piece protective cover, each piece of said cover being pivotable about a horizontal axis such that the first piece of said two-piece protective cover may be displayed upwardly such that the second piece of said two-piece cover overlies and protects the main objective lens when said mount is in the second predetermined position.