Detection and measurement of optical ability and color blindness in general. 2) Description and measurement of the strength of medical lenses for glasses 3) Description and measurement of contact lens strength 4) Examination and diagnosis of eye dysfunction and refraction of the eye in children, such as hidden and visible eye and eye fracture 5) Examination and diagnosis of eye dysfunction and refraction of the eye in elderly persons. (7) Visual field examination (8) Writing a medical report on visual ability, vision of colors and visual field 9) Application of principles and rules of safety during work 10) Performing any other tasks assigned to him Within its competence.
