Ophthalmologic instruments; apparatus for ophthalmologic tests; instruments for diagnosis in ophthalmology; medical imaging apparatus for ophthalmologic use; tomographs and angiographs for ophthalmologic use; ophthalmoscopes; keratometers; ophthalmometers; pupillometers; corneal reflection pupillometers; phoropters; frontofocometers; projection lensometers; vertex refractionometers; eye testing apparatus; apparatus for screening vision defects and disorders; apparatus for measuring and testing visual acuity and vision; apparatus and instruments for carrying out reading and visual acuity tests, including reading scales; vision testing apparatus and instruments, in particular for the examination of visual behavior; apparatus and instruments for detecting and measuring eye and head movements in response to visual stimuli; parts and fittings for all the aforesaid goods, namely, head rests, chin rests and nose rests; removable covers and separators for eyesight testing