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Located in the Spokane Valley on Evergreen Road.

Phoropter

If, during an eye examination, your doctor has discovered a vision problem like nearsightedness, farsightedness or astigmatism, it’s likely that one of the next steps you’ll take will involve a phoropter. A phoropter is special machine used to switch multiple lenses in front of your eyes to correct your vision.

Phoropters look imposing—like space-age visors—but are really an ingenious way to quickly determine the exact vision correction needed by your individual eyes.

By having you look through the phoropter at a visual reference, image, or the “Big E” chart (the Snellen chart), your eye doctor will help guide you toward lenses that correct your vision impairment by switching lenses within the machine on the fly.

How does a phoropter work?

The process of switching lenses in front of your eyes is less involved than it may look, given the imposing nature of the device. A phoropter is used to manually determine “refraction”—exactly how a lens must be shaped and curved to correct your vision to a normal state, nothing more.

Phoropters are subjective however, based on your visual perception and response to your eye doctor’s questions. Is your vision better, or worse? With this lens, or this lens? How about now?

There are other procedures and technologies available that automatically measure the refraction needed within your eye and produce a “prescription” measurement without your input. These are called autorefractors and aberrometers.

 

Special thanks to the EyeGlass Guide, for informational material that aided in the creation of this website. Visit the EyeGlass Guide today!

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We are happy to announce that Schweitzer Vision Center is once again open and back to our normal hours of operation.

We have implemented new procedures to ensure your safety while visiting our office.

* Mask is required when visiting our office.

* We will take your temperature and screen for cold/flu-like symptoms.

* Patients only may enter. Family and Friends please wait in the car. One guardian is allowed for pediatric and special needs patients.

* Call us when you arrive and we will come out and escort you in.

* If you are sick or have any signs of COVID-19 please reschedule.

* We will continue curbside delivery of glasses and contact lenses.

Please call our office with any questions or concerns.

We look forward to seeing everyone again!