OPTX Optometry - Los Angeles & Valencia

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

Will my sight worsen if I start wearing specs or contact lenses?

Wearing a prescription does not make your vision worse. Often when someone gets spectacles for the first time the visual improvement is so amazing that vision without them seems much worse, especially as time goes by. However, this is simply because the brain can now compare two images directly: one with specs and one without.

Is my prescription the same for both specs and contact lenses?

No. A contact lens prescription is only 100% complete when the details of their fit are included. This means that although the powers may seem similar to your spectacle prescription, the powers alone are not sufficient when specifying a contact lens prescription. Additional parameters like lens type, diameter and base curve must also be included.

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.

My close-up vision is not as good as it used to be - is this normal?

Yes - this change in your near vision focus happens to everyone and is called presbyopia. The effect of presbyopia is similar to that of longsightedness, but they are not the same. See Lingo for more information.

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