Low vision is possessed by people whose visual acuity is lower than 4/10 or whose field of vision is less than 20 degrees. They see blurry even when they wear their glasses or nothing changes in their vision whether they are wearing or not wearing glasses.
Low vision aids are divided into two categories:
Low vision aids are determined and selected exclusively by the Optometrist specialized in low vision based on the age, occupations and needs of the patient.
Low vision aids can be:
for occasional use
for unlimited use and training of the patient’s vision
A patient with low vision usually needs more than one low-vision visual aid, and the choice depends on:
Low vision aids, applied to glasses (microscope – glasses, prismatic glasses and telescopic glasses), significantly improve the visual ability of the patient by enlarging the image projected on the retina.
Low vision aids must be used under the guidance of the Optometrist specialized in low vision, who will indicate techniques and training strategies so that the patient remains active, independent and productive.