What are polarized lenses?
These are special tinted lenses that polarize light as it passes through. This means that light from only certain planes is allowed to pass through while the rest is eliminated. Visually, the effect would be to get rid of unwanted stray light. This can be quite useful for the avid fisherman, for example, who wants to see just beneath the surface of the water without having to worry about distracting reflections from the surface. They can be made with or without prescription, but may take slightly longer to put together as they need to be ordered. Ask your dispenser for more information on these lenses.
 
What does the eye exam involve?
An Eye Exam allows the Optometrist to:
  • Determine any relevant prescription for your eyes (far or Near-sighted, Astigmatism, Presbyopia)
  • Check that the muscles of the eyes work together
  • Check your Eye Health and screen for any associated general health problems
  • Perform any further testing as deemed necessary like Eye Pressures, Visual Fields, Color Vision or Pupil Dilation
 
What is a cataract?
A Cataract refers to any cloudiness within the natural lens of the eye. Most often, this is age-related, but accelerated risk of cataract is now caused by over-exposure to ultra-violet light. This is worsened by the fact that the Ozone Layer is constantly thinning. Our advice is to take care when in the sun and always don a hat and a good pair of UV-blocking sunglasses. Ask your Optometrist for more information. If you develop or are developing a cataract, don't worry unnecessarily. The sky does not fall down even though it might be slightly smeary to look at. A simple operation can be performed by an ophthalmologist whereby the cataractous lens of the eye is removed and replaced by a new implant. You will probably be sent home the same day!
 
Can my contact lenses get 'lost' behind my eyeball?
No, this can NEVER happen as the eyeball has a 'safety net' situated underneath both eyelids. This 'safety net' is a membrane called the conjunctiva. The conjunctiva is a continuous membrane enveloping the outer portion of the eyeball as well.
 
I see black spots floating around in my vision especially when the sun is out - what are they?
These are called floaters. As the eye ages, more of these are seen and they are due to the changes in the vitreous jelly of the eye. The vitreous is simply a clear jelly that fills up the internal space of the eyeball between the lens and the retina. Changes may occur which cause the very fine fibrils contained in the jelly to clump together and become visible as floaters. As long as these are longstanding and not associated with any flashing lights, they are generally okay and all you would need to do is notify your Optometrist and keep a watchful eye on them. If however you have not seen them before and they have only recently appeared, a thorough check with your optometrist or better still, an ophthalmologist (eye doctor), is advised. Floaters are most easily seen against a white or bright background. This is why they are more visible in the sunshine, against white walls or whilst flying and looking out at the clouds. Sometimes floaters are an indication of retinal tears and possible detachment of the retina. Although this does not happen all that often it is wiser to be safe rather than sorry so if in doubt, please find out!
 
 
Home arrow Glossary

Glossary


All | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Other


W

There are 16 entries in the glossary.
Pages: 1

Term Definition


All | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Other


 

OPTX NEWSLETTER

Keep yourself updated with our FREE newsletter now. We do not SPAM!
Name:
Email: Subscribe Unsubscribe

LOCAL TIME

   
© 2009 OPTX Optometry - Los Angeles & Valencia
This site is designed and maintained by Emil Darmo Design