Low vision is uncorrectable visual loss that interferes with daily activities. It cannot be improved with regular glasses, contact lenses, or medical intervention. Individuals with low vision may experience any combination of a reduction or loss of colour vision, central or peripheral vision, and a reduction in the ability to adjust to changing levels […]
Category: Eye Exam
The Purpose of the Pretest: Part 2
After lensometry and autorefraction are completed (see the Part 1 article last month), the pretest then focuses on ocular health screening. At some of our clinics, your intraocular pressure will be measured by the technician during pretest. This technique is called non-contact tonometry (NCT). You will be asked to remain still and keep your eyes […]
The Purpose of the Pretest: Part 1
When you arrive for an eye exam at Cowichan Eyecare, you will spend the first portion of your eye exam experience with one of our highly trained technicians. The tests that are done prior to seeing your Optometrist are collectively called the “pretest.” The tests run depend on your age, the type of exam you […]
