Sankara Nethralaya
Sankara Nethralaya
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Low Vision Care Clinic

What is low vision?

A vision loss that cannot be corrected by ordinary glasses, Contact lenses and standard treatments such as medicine and surgery

The World health Organization says (2001)

A person with low vision is one who has impairment of visual functioning even after treatment and/or standard refractive correction, and has a visual acuity of less than 6/18 to light perception, or a visual field less than 10 degrees from the point of fixation, but who uses, or is potentially able to use vision for the planning and/or execution of a task

A person with low vision suffers to perform his/her day to day activities and its affects their quality of life immediately and also long-term consequences in children and adults –It affects their physical, psychological, educational and economic growth.

When conventional treatment fails to prevent or restore vision, Low vision care service enhance their visual function and quality of life.

What causes Low vision?

Eye diseases or conditions can cause visual impairment. Below are some of the more common causes of low vision.

  1. Retinal Degenerations & Dystrophies
  2. Glaucoma
  3. Congenital cataract /Aphakia
  4. Albinism
  5. Optic Nerve problem

Common Types of low vision

  1. Central vision Loss
  2. Peripheral vision loss (Side vision)
  3. Over all blurred vision
  4. Photophobia( Bright light difficulty)
  5. Reduced contrast vision

Low vision Assessment

The optometrist who provides low-vision service will ask the patient for a complete personal and family-general health and eye history. In addition to that they will concentrate on the patient's visual difficulties, asking about how the visual impairment is affecting the patient's

  1. Daily activities
  2. Computer use
  3. Reading
  4. Ability to recognize faces
  5. Functioning in the kitchen
  6. Working
  7. Television viewing
  8. Attending school

Service provided in Low vision care clinic

  1. Detail History – (Ocular, General health and Family)
  2. Specialized refraction (power checkup)
  3. Reading ability
  4. Visual Field
  5. Contrast Acuity test

At the conclusion of the evaluation, will create a comprehensive, individual rehabilitation plan based on the patient's visual abilities and goals.

Other services:

  • Letter for occupational need
  • Letter to school
  • Recommendation letter to get disability certificate to avail possible concession and benefits from government

Number of Patients seen in 2022: 4373
Number of Devices prescribed: 1789
Number of Patients got mobility training: 261
Number of Patients took computer training sessions: 480
Number of Patients received Vocational/Educational Guidance: 88
Number of patients took Activities of Daily living skills: 161

Available Optical Devices for distance
Monocular Telescope
Spectacle model Telescope – SCV
Auto focus Telescope – Bi Optics

Latest Technologies in Low vision care clinic
Nueyes e2 my eye
Orcam My eye
Smart Vision glasses

Available Optical Devices for Near
Dome magnifier
Stand magnifier
Spectacle magnifier
Hand held magnifier
Pocket Magnifier
Cut away Stand magnifier

Available Non Optical Devices
Tinted Glasses
Reading Lamp
Letter writer
Signature guide

Electronic Devices
Portable Video magnifier
3.5” Video magnifier
5” Video magnifier
5” Video magnifier for distance & near

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