Glossary of Terms
- Totally Blind
- Someone who has very little or no sight at all. They may, however,
be able to perceive some light or see the difference between light and
dark, or recognise shapes, but not detail.
- Legally Blind
- Someone who is "legally blind" meets the Royal New Zealand
Foundation of the Blind's membership criteria. This is where your
visual acuity does not exceed 6/24 in the better eye with corrective
lenses, or you have serious limitations in your feild of vision
generally not greater than 20 degrees in the widest diameter.
This means, if you can't read a newspaper headline at arm's length
with your glasses on, you may be eligible to receive RNZFB
services.
- Vision Impairment
- A condition which causes sight loss e.g. cataracts, diabetic
retinopathy, macular degeneration, glaucoma, myopia.
- Short Sighted
- This is when the eye doesn't see things in the distance, but sees
things up close clearly. This condition can be corrected with
glasses.
- Far Sighted
- The eye sees things at a distance better than those which are
close. This condition can also be corrected with glasses.
- Peripheral Vision
- Side vision.
- 6/6 Vision (used to be called 20/20 Vision)
- Perfect vision. If you have 6/6 vision, you can see at 6 metres
what someone with perfect vision can see at 6 metres.
- Dispensing Optician
- A trained technician who makes spectacles (eye glasses) to a
prescription written by an optometrist or ophthalmologist.
- Optometrist
- An eye specialist who examines eyes for all vision problems and
specialises in the non-medical correction of eye problems by
prescribing contact lenses, glasses or vision therapy. An optometrist
will often refer patients to an ophthalmologist if an abnormality is
found requiring medical treatment. They can also refer people to the
Royal New Zealand Foundation of the Blind.
- Ophthalmologist
- A doctor who specialises in the medical and surgical treatment of
eye conditions as well as prescribe contact lenses and spectacles. An
ophthalmologist may also refer patients to low vision clinics or to the
Royal New Zealand Foundation of the Blind.
- Low Vision Clinic
- A place where specialists assist people with vision impairments to
make the most of their remaining vision, by showing them how to use
magnifiers, lighting, and other low vision aids.
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