What is pupillometry?

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Pupillometry measures the size of your pupils, the windows that let light into your eye. The measurement of your pupil size takes place in a darkened room to ensure that your pupils are open to

their full extent.

Accurate pupillometry is critically important because the laser is only capable of treating a defined

area. Typically, this is a circle with a diameter of 6mm to 8mm, depending on the laser used. If your pupils were larger than the area that can treated by the laser, you would be left with an untreated ring around the smaller circle corrected by the laser. It would be like looking through a clear patch in the middle of a smeared window.

This is why pupillometry is such an essential part of the assessment before surgery. The results

will determine the type of laser eye treatment you need. Some people with large pupils can only

be treated by specific lasers that are capable of covering larger areas.

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If you are looking for a quote for laser eye surgery, or want more information about treatment in your local area, you can complete the Laser Eye Surgery Enquiry Form. Your enquiry will be forwarded to a maximum of three clinics or providers of laser eye treatment who partner with the Private Healthcare UK web site.