Having good eyesight is essential and one of the most vital senses. 80% of what you see and hear each day originates from your visual perception. You may avoid eye illnesses like glaucoma and cataracts and lower your risk of vision loss and blindness by protecting your eyesight. It is possible to reverse the damage done to the eye through regular eye exam Jacksonville checkup. Here are some of the most common tests you can run during an eye checkup.
1. Visual Acuity Test
Every year, eye specialists perform a visual acuity test on tens of thousands of patients. In order to perform this test, you will be required to read letters on a sign that your doctor places in front of you at particular distances while instructed to do so one at a time with each of your eyes.
All of your eyes’ vision levels will be measured and compared to the industry standard of 20/20 vision during the examination.
2. Refraction Test
When you have an eye condition, your doctor will perform a refraction test to determine the best type of eyeglasses to prescribe for you. You’ll need to look through a phoropter to see the eye chart on the other side of the room during a refraction test.
Throughout the examination, your doctor will show you various pairs of lenses. During the examination, the optometrist will ask you several times which of the two lens options gives you the best visual clarity. Your optometrist will find out if you have astigmatism, farsightedness, or both based on your answers. This exam can also help identify whether you don’t need vision correction.
3. Measurement of the thickness of the cornea
This examination is required to determine the cornea’s curvature and shape. The shape of the cornea helps the eye’s vision by reflecting and detecting light more effectively. In certain people, astigmatism is caused by corneas with elongated or steep curves. Your optometrist will use keratometry equipment to perform an astigmatism test on you.
It is necessary to look at a certain machine during the keratometry test. Your doctor will next adjust the testing machine so that it is perfectly aligned with your eye. Corneal measurements are made with the use of an optical instrument like this one.
4. Retinoscopy
A phoropter is used during a retinoscopy test to perform the test. There are a number of dials and lenses on this machine.
Your optometrist can use a retinoscopy test to get a rough idea of what type of lens he or she should prescribe. As you continue to look into the machine, your doctor will try out various lenses to evaluate which one improves your ability to see what’s on the screen.
The optometrist will also shine some light into your eyes during the test to observe how different glasses affect your perception of the world.
If you’re worried about your vision, there are many tests available for you to get done to find out how well your eyes are doing. In most cases, they’re straightforward and painless. Make an appointment to see the clinic to discuss your ailment and receive the finest help by scheduling an online consultation or calling their office line.