Visual impairment

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Visual impairment

Person with low vision – A person with impairment of visual functioning even after treatment or standard refractive correction but who uses or is potentially capable of using vision for the planning or execution of a task with appropriate assistive device.

Blindness – A condition where a person suffers from any of the following conditions namely:
i) total absence of sight or
ii) visual acuity not exceeding 6/60 or 20/200 (snellen) in the better eye with correcting lenses;or
iii) limitation of the field vision subtending anangle of 20 degree or worse.

AT Home

Visual Impairment


1. The child does not follow an object moving before his eyes by 1 month’s age.
2. The child does not reach for toys and things held in front of him by 3 months age.
3. One eye moves differently from the other; including squint
4. Eyes are either red or have a yellow discharge or the tears flow continuously.
5. The child has tendency to bring pictures or books very near the eyes.

VISUAL IMPAIRMENT CATEGORIES
(All with corrections)

Better Eye Worse Eye Percentage

impairment

Category O

Category I

Mild 6/9 to 6/18

6/24 to 6/36

6/18 to 6/36

6/60 to Nil

20%

40%

Category II Moderate6/60 to 4/60 or      Field of Vision 10-20.3/60 to Nil 75%
Category III Severe 3/60 to 1/60 or Field of Vision 10   degree F.C. at 1 ft. to Nil. 100%
Category IV  or One  Eyed Persons Profound F.C. at 1 ft. to Nil.Field of Vision 10         6/6 F.c. at 1 ft. to Nil. Field of Vision100.

F.C. at 1 ft. to Nil.

100%

30%

Low Vision: Impairment of vision less tha n 6/18 to 6/60 with best correction in better eyes or impairment of field in any one of the following categories:


a) reducation of fields less than 50 degree
b) heminaopia with macular involvement
c) altitudinal defect involving lower fields


IF THE CHILD IS BLIND OR HAS A LOW VISION, CONTACT:

Ophthalmologist –               – Available at block, district, State hospital for assessment, Assessment can be done at Eye Camps, etc. also.
Organizations for education – Formal schools, Open School
– Special school for blind children,
– Non- Governmental Organisations working in the field of blindness.
Organizations for providing – Field: Sub-health Centre, Primary Health Center,
aids and appliances   Gram Panchayat, Rehabilitation centre if available,NGOs working in the field of disability.
Block : Block Welfare Officer
District: District Welfare Officer
Students: in schools


Note: Impairment of 20% to 40% or less may only be entitled to aids and appliances.


FOR MORE INFORMATION, CONTACT–
1. Director
National Institute for Visually Handicapped
116, Rajpur Road
Dehradun- 248001.
Ph: 0135-24491/24578.


(a) Regional Centre
National Institute for Visually Handicapped
Poonamalle
Chennai, Tamil Nadu
Ph: 044- 572505.


2. National Association for the Blind,
Sector V, R.K.Puram,
New Delhi –110 022
(has preparatory school for 4-14 year and has branches in states also)

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