| |
| |
FAQs : |
|
| |
|
|
|
|
|
| |
|
| |
FAQs FOR
LOW VISION
-
What is low vision?
Low vision or visually impaired is
a term used to describe varying degrees of vision loss
that can not be corrected by medicines, surgeries or conventional
glasses or contact lenses.
-
What are the different
types of low vision?
Vision loss may be –Overall
blur vision, Loss of central
vision, Loss of peripheral vision, Light and glare problem, Night
vision problem.
- What are the causes of low vision?
 Low vision is caused by several eye
ailments . Different eye ailments causes different visual
disturbances. Some of the most common ailments which causes
low vision are-Age Related Macular Degeneration, Achromatopsia,
Diabetic Retinopathy, Albinism, Renititis Pigmentosa,
Aniridia, Stargardt’s diseases, Retinal Detachment,
Keratoconus.
- What are the effects of low vision
on the general life?
The subject can not see the newspaper,
he can not watch television, he can not cross the room,
he has difficulty in keeping eyes open in good light.
In fact he has to depend upon others for all informations
and he loses his independence. Psychologically he is depressed
, loss of productive manpower of the society.
- Can a low vision patient be rehabilated
?
Several types of low visual aids are
available to make the low vision patients do their work
and bring them back their independence. Magnifiers, telescopes,
CCTV, computer softwares, illuminating system , filter
lenses, various types of non optical aids – all
work for them.
|
FAQs for
OCULAR PROSTHESIS
-
What is Ocular
Prosthesis?
Ocular Prosthesis is a customized artificial
eye that is fitted in place of a natural eye to match
with the fellow eye.
-
Why do I need an
Ocular Prosthesis?
Basically there are four reasons to
wear ocular prosthesis:
Comfort.
Cosmesis.
Bony Orbital wall, and
Eyelid development.
The physical stress caused by eye volume loss and drooping
eyelids is relieved by properly fitted ocular prosthesis.
Cosmesis is recaptured with a lifelike appearance that
is once more acceptable to you. An adequately sized prosthesis
is required to maintain near symmetrical bony orbital
wall and eyelid development.
-
What is the process
of getting an ocular prosthesis?
If this is a recent eye loss, an ophthalmologist
would refer you to an ocularist who will take the impression
of your socket and fabricate your ocular prosthesis.
-
When can I have
my prosthesis done after having removed my natural eye?
If this is a congenital anomaly, born
without an eye(s) or a partially formed globe(s), there
would be a preparatory stage of plastic conformers in
incremental sizes prior to fitting the artificial eye.
This could take anywhere between three months to three
years.If it is an acquired eye
loss due to disease or trauma, the ophthalmologist will
suggest the right time or four to six weeks time is reasonable
time to fit the prosthesis.
|
FAQs FOR
ORTHOPTICS
-
What is orthoptics?
Orthoptics is the discipline dealing
with the diagnosis and treatment of defective eye coordination,
binocular vision, and functional amblyopia by non-medical
and non-surgical methods, e.g., glasses, prisms, exercises.
The goal of orthoptics is to improve comfort and efficiency
of binocular function
-
What is accommodation?
The ability of the eyes to focus clearly
on objects at various distances.
-
What is convergence?
The aiming of the eyes inwards towards
an object.
-
What is fusion?
The process by which what is seen separately,
by each eye, is integrated into a single perception.
-
What is stereopsis?
The ability to perceive relative depth
-- due to distance between two eyes-- commonly called
3D vision.
-
What is Amblyopia?
Amblyopia or lazy eye is a disorder
of the eyes. It is characterised by poor or blurry vision
that is not correctable with glasses in an eye that is
otherwise physically healthy and normal. The problem is
due to either no transmission or poor transmission of
the visual image to the brain for a sustained period of
dysfunction or disuse during early childhood.
|
FAQs FOR COMPUTER
VISION SYNDROME
-
What is computer
vision syndrome (CVS)?
It's a condition, recognized by the
American Optometric Association, that affects users of
computer monitors and causes eyestrain symptoms, such
as blurred vision, dry or burning eyes, delayed focusing,
and headaches. It can arise from failure of the eye muscles
to work properly.
-
Who Is Affected
by Computer Vision Syndrome?
Prolonged computer user can stress
their eyes and suffer computer vision syndrome.
-
What Can I Do About
It?
The solution is simple: see an eye
care professional that specializes in computer vision
care. In most cases, standard reading glasses or over-the-counter
readers are not accurate enough, because viewing a computer
is usually at a different distance (18"-28")
than reading distance (16"-21"). Once an eye
doctor accurately diagnoses your computer vision problem
and determines your correct computer working distance,
it's a simple matter to prescribe computer eyeglasses
that will allow you to work comfortably and productively.
-
What About the
Tints I've Heard of for Computer Lenses?
If you work in a brightly lit office,
you may benefit from a light tint applied to your computer
lenses. This can cut the amount of light that reaches
your eyes and provide relief in some cases. But tints
and filters alone don't address the underlying cause of
computer eyestrain.
-
Isn't Ergonomics
the Solution to Computer Eyestrain?
Ergonomics is important — changing
one's computer workstation can certainly help to minimize
other physical symptoms. But ergonomics cannot fix a visual
problem. The proper prescription computer eyeglasses at
the proper computer distance (18" to 28") is
most important. This can be done only with the right computer
lens prescription.
|
|
|
| |
|
|
|
