What Tests Do You Need Before Taking Your Glasses?

When you go for an eye examination, you will find to a regular ophthalmologist that “research” is a waiting room where you can read, relax or view the latest generation of glasses, reception area, “preliminary analysis” area in which research is done, preliminary reports and “snow reports” performed where an ophthalmologist performs an eye examination.

Most also have pharmacies where a professional optician works with you and your ophthalmologist to help you choose lenses, lens treatments and frames that best suit you and your lifestyle.

What Types of Lenses are Available?

Your doctor will discuss lens options with you, including:

Polycarbonate lens:

  • Impact resistant.
  • A good choice for active people: those who exercise, people who can damage their glasses at work or children who can fall, bump and scratch their glasses.

Photochromic and tinted lenses:

  • Made of glass or plastic.
  • It changes color from cornea to color when exposed to sunlight (light color).

High-index plastic lenses:

  • Good for people with strong prescriptions.
  • Thinner and lighter than thick lenses which may require higher prescriptions.

Aspherical lens

  • The shape is different from normal lenses, which have a circular shape.
  • It has a variable curve on the lens surface.
  • It may be smoother and thinner, with more useful parts, than other lenses.

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Who takes the vision test?

The eye doctor performs an eye exam to determine the type of glasses you need. A comprehensive eye exam also detects signs of eye disease early if it is easily treatable. Ophthalmologists include:

Optometrist: A board-certified ophthalmologist performs eye exams and visual tests. They can prescribe glasses and diagnose eye problems.

Ophthalmologist: An ophthalmologist is a doctor who specializes in eye care.

What Tests Do I Need Before Taking My Glasses?

During the test, your service provider checks:

Visual Acuity: Read an eye map to see how well you can see things at different distances.

Lens formula: View the eye map through a device called a precursor. This device has a variety of objectives. Your service provider looks for it and asks you which lens you saw the most. This test will help your service provider understand your eyeglass prescription.

Pupils: Your service provider turns on your eyes to check the health of your eyes.

Peripheral (lateral) vision: This test helps your doctor identify eye problems that you are not aware of.

Eye Movements: Your doctor will check if your eye muscles are working properly and if your eyes are aligned.

In front of the eye: Using a special microscope, the provider examines the eyelid, cornea, iris and lens for scars or scratches.

Retina and optic nerve: The eyeball may need to be narrowed for this test, or your service provider may use a machine called a retina scanner. Dilation helps narrow the eyelids so that the doctor can examine the retina and optic nerve for any damage.

Your ophthalmologist or optometrist will discuss a follow-up plan that suits your needs. You may need to take an exam every year or you may have to wait longer between visits.

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