- -10%

This model eye is ideal for teaching and practice. The pupil diameter and refractive error can be set exactly and are therefore reproducible. The front holder accepts up to two trial lenses. The cyl. can be read of the graduated scale.
Technical Description
The optics of the trainer include an achromatic lens with a pupil aperture and an orange-coloured curved shell which can be moved along the optical axis.
Technical data
Using the instrument