OPTX Optometry - Los Angeles & Valencia

What is the difference between a squint and astigmatism?

A squint is when one eye is turned either up, down, in or out relative to the other eye. The term 'lazy eye' is sometimes used when the turn is not detected at an early age and left uncorrected. It is essential that any parents noting a turn in their child's eye have them assessed by an Optometrist or eye doctor as soon as possible. The sooner it is treated the better the prognosis for use of this eye in later years. By the time the child has reached 9 years of age, it may already be too late.

Squints are sometimes confused with Astigmatism. Astigmatism is a condition where the shape of the eye is like an egg, whilst a squint refers to a turn in the eye. See Sight Conditions for more information on Astigmatism.

What is LASIK surgery?

LASIK stands for Laser In Situ Keratomileusis. It is a form of refractive surgery, which corrects near or far-sightedness and Astigmatism. It cannot correct Presbyopia, but treatment is sometimes aimed at leaving one eye slightly short-sighted in order to account for this condition. For more information on presbyopia, see our Optical Terms section. LASIK can only be performed by an eye surgeon.

How often should I have a Sight Test?

We recommend that you have your eyes checked once every year, but this may vary depending upon the nature of your prescription. At the very least, you should have your sight checked once per two years. Should you wear contact lenses, a more frequent interval of every 12 months is advised. These recommended intervals assume that you are not experiencing any symptoms of visual change.

What should I do if my contact lenses feel dry?

It is always wise to carry contact lens comfort drops in your handbag or back pocket. The preservative-free single use drops are best recommended and may be used as and when required for extra comfort. Environments to watch out for are smoky and dusty places, gyms, where working out causes your body temperature to rise and eyes to dry out as a result, air-conditioned and heated offices, especially when coupled with staring at a computer all day and long-distance driving. Take care to only use drops specified for use with contact lenses and ask your Optometrist if you are unsure.

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!

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There are 16 entries in the glossary.
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Term

Definition

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!

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

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