Corneal topography is a computerized test that generates a three-dimensional image of the surface of the cornea, the clear tissue at the front of the eye. Normal eyes have an evenly rounded shape to the cornea like a beach ball, while abnormal corneas can be too flat, too steep, or irregularly curved. Corneal topography is...
The main goal of our office is to provide you with the best vision care possible. IOLMaster testing is available at our office to help us achieve this goal. The IOLMaster uses laser technology to measure the length of the eye. Measuring the length of the eye accurately is extremely important in cataract surgery, as...
Optical coherence tomography (OCT) is a retinal scan used to study the anatomy of the retina and optic nerve in fine detail. OCT testing requires dilation of the pupils but does not require a needle in the arm and does not involve touching the eye. A healthy retina is only ¼ of a millimeter thick,...
If the eye condition you have requires diagnostic testing to assess blood flow within the retina, such as macular degeneration, diabetic retinopathy, or retinal vein occlusion to name a few, it is important that you are aware of the different testing options available to you. Intravenous Fluorescein Angiography: The first testing option is called intravenous...
Because it has no noticeable symptoms, glaucoma is a difficult disease to detect without regular, complete eye exams. One particular test, called a visual field test (or perimetry test), measures all areas of your eyesight, including your side, or peripheral, vision. A visual field test can help find certain patterns of vision loss and is...
Wavefront analysis uses a special device to precisely measure the unique irregularities and variations in the cornea. This analysis has been compared to taking a fingerprint of the eye. With your chin resting on the device, you will be asked to stare past what is called a target light. A sensor will measure the irregularities...
Our Practice
While on emergency call our practice sees patients from the Local Health Integration Network (LHIN) #12 which includes Barrie, Bracebridge, Collingwood, Gravenhurst, Huntsville, Midland, Penetanguishene, and Wasaga Beach.We see elective medical and surgical patients from the Orillia area.
About Dr. Hillson
Dr Tim Hillson is an Ophthalmologist (Eye Physician & Eye Surgeon) based in Orillia, Ontario. He treats patients with eye disorders that include, cataracts, glaucoma, age-related macular degeneration (AMD), diabetic retinopathy, and other conditions.
Our Hours
Mon-Thurs: 8:30am - 4:00pm
Fri: 8:30am - 12:00pm
Sat-Sun: Closed