Top 4 Optometry equipment and supplies used Optometrist for eye testing! | What are they?

The optometry equipment and supplies might seem intimidating to a regular person, and for this reason, numerous avoid or consistently delay their regular checkups with an eye doctor. However, this equipment is painless, efficient, and extremely accurate in diagnosing the eye health status.

Here is the list of the top 4 optometry equipment and supplies used by both optometrists and ophthalmologists during their examinations.

1.      Tonometer- it is one of the ancient types of device that is used to measure the pressure of the fluids inside the eyeball. If the eye pressure enlarges beyond a point, then it may permanently damage the optic nerve. This high-pressure disorder is called glaucoma. A tonometer measures the heaviness of the eye by very gently touching the cornea. A tonometer is such am optometry equipment and supplies that actually touches the eye requires numbing drops to be instilled into the eyes. Numerous doctors also use an air-puff tonometer that blows air onto the eyes to measure pressure or test for glaucoma of eye. 

2.      Phoropter- The phoropter is one of the basic tools used by optometrists to measure the refractive error as well as determine the eyeglass numbers of the patient. The patient is educated to sit in front of an eye chart some distance away. Diverse lenses are applied before the patient tells the optometrist which lens allows him to see well. This is a subjective test as well as correct prescription depends on the feedback of the patient who determines which lens provided the best vision. 

3.      Retinoscope- In cases where the patient is unable to give feedback to the optometrist due to certain physical or else mental circumstances, a retinoscope is used to measure the refractive error as well as determine the accurate prescription of eyeglasses or lenses. It consists of a mirror that shines light into the eyes and has a hole in the center of it, through which the eyes are examined. 

4.      Autorefractor- The auto-refractor is another device used to measure the refractive error of the eyes and prescribe lenses. The patient is needed to look into the machine, which has a picture that moves in and out of focus. The device takes readings as well as determines when the image is on the retina. A prescription is made based on the average of numerous such readings.

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