Comm Eye Health Vol. 17 No. 49 2004 pp 08. Published online 01 March 2004.

Standard list for low vision services

VISION 2020 Low Vision Group

Related content
Ophthalmic Equipment Tertiary Level Low Vision Clinic Secondary Level Low Vision Clinic
Streak retinoscope yes yes
Direct ophthalmoscope yes yes
Lensmeter (Focimeter) yes
Trial lens set (full aperture) yes yes
Universal trial frames yes (2 sets) yes
Paediatric trial frames (2 pairs of different sizes) yes yes
Trial lens holder yes
Halberg clip yes
Long handle occluder with pinholes yes yes
Cross cylinders (±0.5, ±1) yes
Pen torch and measuring tape yes yes
Vision Assessment Equipment Tertiary Level Low Vision Clinic Secondary Level Low Vision Clinic
Light box for visual acuity test yes
Distant LogMAR test charts – letter, number, tumbling Es, Landolt Cs (one of each type) yes yes
Near vision tests (same as distant but calibrated for 40 cm)
Reading acuity test (continuous text in English and local language)
yes yes
Symbol paediatric tests for matching and pointing (with and without crowding) yes yes
Preferential looking system yes
Contrast sensitivity test charts yes yes
PV-16 Colour Vision Test (double set) yes
‘Amsler’ grids yes
Hand disc perimeter yes
Tangent screen yes
Optical Low Vision Devices Tertiary Level Low Vision Clinic Secondary Level Low Vision Clinic
Spectacle magnifiers (half eyes) 6D to 12D in 2D steps with base in prisms
10 to 40D in 4D steps as half eye; total 9 pieces;
10 to 40D in 4Dsteps as full aperture R+L;
total 18 pieces
6D to 12 D in 2D steps
16D to 20D in 4D steps;
total 6 pieces
Foldable and hand-held magnifiers with and without built-in light source 5D to 42D, total 15 pieces 5D to 17D; total 5 pieces
Stand magnifiers with and without built-in light source, from 13.5D to 40D; total 9 pieces with no built-in light source, from13.5D to 56D;
total 6 pieces
Dome and bar magnifiers total 4 pieces total 2 pieces
Hand-held monocular telescopes 2.5X, 3X, 4X, 6X, 8X and 10X with micro-lens for 8X and 10X telescopes;
total 5 pieces
4X to 8X with micro-lens for 8X telescopes;
total 4 pieces
Filters of 5 different shades with UV protection and luminous transmission of 40%, 18%, 10%, 2% and 1% of 4 different shades with UV protection and luminous transmission of 40%, 18%, 10% and 2%
CCTV Devices Tertiary Level Low Vision Clinic
Colour television (20 inches) yes
Black and white hand-held CCTV magnifier yes
Full colour hand-held CCTV magnifier yes
Computer Devices Tertiary Level Low Vision Clinic
Computer with laser printer and scanner yes
Computer software with text enlargement and voice output yes

Standard List for Primary Level Low Vision Care

Ophthalmic Equipment

  • Pen torch

Vision Assessment Equipment

  • WHO Low Vision Kit

Low Vision Devices

  • 4 hand held magnifiers from 5D to 14D; total 4 pieces
  • 4 stand magnifiers from 13.5D to 40D
  • 2 telescopes, 4x and 6x

The approximate costs to equip clinics at the three levels are:

  • Tertiary: US$ 14,000
  • Secondary: US$ 4000
  • Primary: US$ 100