Regular eye exams are important for protecting not only your eyesight, but also your overall health. A comprehensive eye exam is a detailed evaluation of both vision and eye health, designed to catch problems early and keep your sight clear for the long term.
From checking for refractive errors to screening for silent diseases like glaucoma and diabetes-related eye issues, this exam goes far beyond a basic vision test.
What is a Comprehensive Eye Exam?
Unlike a basic vision test that only checks how clearly you can see, a comprehensive eye exam provides a deep dive into the health of your eyes. This approach allows us to identify refractive errors like nearsightedness (myopia) and astigmatism, as well as detect early signs of serious eye diseases such as glaucoma, macular degeneration, and cataracts. Many of these conditions develop without any noticeable symptoms, so early detection is key to preventing permanent vision loss.
Why Do You Need a Regular Eye Exam?
Many eye diseases progress silently, only showing symptoms once significant damage has already occurred. A comprehensive eye exam is your first line of defense.
Beyond eye health, these exams can also reveal signs of other health conditions. Issues like diabetes, high blood pressure, and even brain tumours can be detected through a thorough examination of your eyes.
Key benefits of a regular eye exam include:
- Preventing vision loss: Early detection of conditions like glaucoma can save your sight.
- Monitoring overall health: Your eyes can provide clues about your systemic health.
- Improving quality of life: Clear, comfortable vision enhances your ability to perform daily activities.
How Often Should You Have an Eye Exam?
Most people should have an eye exam once a year to protect their vision and overall health. Children, adults, and seniors all benefit from yearly check-ups, while individuals with diabetes, a family history of eye disease, or who wear contact lenses may need them more often.
What to Expect at a Comprehensive Eye Exam
A comprehensive eye exam may include some or all of the following tests:
Patient History & Preliminary Tests
Your exam begins with a conversation about your general health, family medical history, and any vision problems you might be experiencing. We’ll also review your current medications and lifestyle to get a complete picture. After this, we conduct several preliminary tests, which may include evaluating your depth perception, colour vision, and how your pupils respond to light.
Visual Acuity Test
This is the part of the exam most people are familiar with. You’ll be asked to read letters on a standard eye chart (called a Snellen chart) to measure the sharpness of your vision at various distances. The results help determine how clearly you can see and whether you need corrective lenses.
Refraction Test
To determine the prescription for your glasses or contact lenses (if you need them), your optometrist will perform a refraction test. Using a phoropter, a device that contains a series of lenses, we will ask you to look through different lens combinations to find the one that provides the clearest vision. This test helps correct refractive errors like myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.
Eye Teaming & Focusing Test
We will assess how well your eyes work together. Tests like the cover test, where each eye is covered alternately while you focus on an object, help us detect issues with eye alignment (strabismus) or binocular vision. We also evaluate your eyes’ ability to focus and track moving objects, which is crucial for tasks like reading and driving.

Slit-Lamp Examination
A slit lamp is a high-powered microscope that allows your eye doctor to examine the structures at the front of your eye in detail. This includes your cornea, iris, lens, and eyelids. It’s an important tool for detecting conditions like cataracts, corneal injuries, and infections. By using a powerful lens with the slit lamp, we can also see the back of your eye, which can reveal signs of diabetes and high blood pressure.
Tonometry (Eye Pressure Test)
This test measures the fluid pressure inside your eyes in order to assess intraocular pressure (IOP). High IOP is a key risk factor for glaucoma, a disease that damages the optic nerve and can lead to irreversible vision loss. Detecting high pressure early allows us to begin management and treatment to protect your sight.
Retinal Imagery
Using the latest in eye care technology, we capture detailed images of the back of your eye, including the retina, optic nerve, and blood vessels. This allows us to screen for diseases like diabetic retinopathy, macular degeneration, and glaucoma with high precision. These images are also stored to track changes in your eye health over time.
How Often Should You Get an Exam?
A comprehensive eye exam is an investment in your long-term vision and overall well-being. By scheduling regular check-ups, you can stay ahead of potential issues and help your eyes remain healthy for years to come. Ready to get insight into your eye health? Book your comprehensive eye exam with Insight Eyecare in South Surrey.