LENS & EYEGLASSES EXAMS - NEW ADVANCES
Contact lens and eyeglasses
exams are getting easier and easier. New
advances in eye examination procedures provide the doctor with a
starting point on the eyeglass prescription and a detailed analysis on
the shape of the front of the eye. One such instrument is the
autorefractor, a computer that estimates the
prescription of the eye within a few seconds.
The glaucoma test is often
done using an instrument that blows a puff
of air in your eye to determine your eye's internal pressure.
The test is helpful in detecting glaucoma but is not conclusive in
ruling it out. Eye pressures can fluctuate during the course
of a day and ideally pressures should be measured in the morning and
again in the afternoon when there is concern about high pressure.
Dilation of the eye is a
procedure that allows the doctor to
temporarily open the pupil in order to view the back of the eye. This
procedure is helpful in evaluating for glaucoma, macular degeneration,
diabetes, retinal detachment and many other diseases.
Visual Field testing is a
sophisticated computerized instrument which
allows the doctor to test the sensitivity of the retina and optic
nerve. This is valuable in assisting the early detection of many eye
diseases including glaucoma, optic neuritis, macular degeneration and
some neurologic lesions.
PREPARE FOR AN EYE EXAM
need to do more than just make an appointment for an eye exam. You also
need to gather information that will help your optometrist assess your
eye health and vision, and provide you with good vision for your varied
lifestyle. Write down your answers to these questions and give the
information to your optometrist when you go for your exam.
- What chronic health conditions, such as high blood
or allergies do you or any close family members have? Your eyes can be
affected by your general health.
- What eye health problems,
like glaucoma, run in your family?
- What prescription and
non-prescription medications are you taking? Drugs sometimes can affect
your eyes and vision.
- How do you use your eyes
Make note of the tasks that you do, how long and how often you do them,
the distance between your eyes and each task, and details about your
work environment. Such information helps the optometrist determine the
exact prescription and any special lens design needed to give you
sharp, comfortable vision on the job.
- What are your hobbies and
Your optometrist can help you decide whether or not you need a special
pair of eyeglasses or safety
glasses for your hobby or sport.
- What problems are you
having with your eyes? Some symptoms are blurred vision, difficulty
changing focus from far to near and visa versa, squinting, double
vision, seeing floaters or
flashes of light, headaches, difficult seeing at night or in dim light,
burning or itching or tired eyes.
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