Even though numbers of low vision patients who have been visited and treated in eye clinics, sometimes there is no exact treatment to increase their visual acuity.

That is well known the necessity of Vision Rehabilitation for them. The aims of this essay are definition of Vision Rehabilitation and its process and vision rehabilitation centers (called Low Vision Clinic).

The statistic of low vision people is reported and the method of collecting data is described. Standard definition, causes of low vision and related diseases (congenital, heredity, acquired…) are explained. In addition low vision aids and role of test and prescription are discussed.

Sometimes ophthalmologists and optometrists can not do exactly treatment patient to raise their V.A because there is no treatment or drug or ordinary glasses. In these cases the clients should be refer to low vision clinic and visiting by low vision specialist on vision rehabilitation process.

 After primary evaluation they are tested completely and at the end are prescribed proper low vision aid and also providing advice for him/her or family in relation to career, education role and technique especially in children. At the last part of present dissertation has been come some example to show effectiveness of vision rehabilitation and low vision aid among the clients in different countries.