8 Things You Should Know About Comprehensive Eye Examination
A comprehensive eye examination looks at far more than how clearly you can read a letter chart. It assesses the overall health of your eyes and can pick up early signs of certain conditions before you notice any symptoms. If you have never had a full eye exam, or it has been a while, knowing what each step involves can make the visit feel a lot more straightforward.
At EMME Visioncare, a full comprehensive eye exam in Singapore uses a range of optical instruments to check both your vision and your eye health, so changes can be spotted early and suitable next steps recommended. Here is what to expect, step by step.
1. History taking
Your optometrist will start by asking about your general health, any existing eye conditions, medications, family history, and any concerns you have noticed — even small ones. These details are incorporated into the assessment and help guide which tests are most useful for you. If you already have a preference in mind, such as a particular type of corrective lens, do mention it early so the session can be tailored to your needs.
2. Autorefraction and tonometry
An autorefractor gives an initial estimate of your prescription, which serves as a starting point and a cross-check against your responses later in the exam. A tonometer is then used to measure the pressure inside your eye, often with a small puff of air. Eye pressure matters because raised pressure is one of the risk factors associated with glaucoma, a condition that can develop without obvious symptoms.
3. Refraction
Refraction is the part most people associate with an eye test. Using your feedback, alongside the autorefractor reading taken earlier, your optometrist fine-tunes your prescription for clear, comfortable vision. While important, refraction is only one component of a comprehensive exam, not the whole of it.
4. Additional vision tests
Depending on your needs, your optometrist may carry out further checks such as colour vision, stereopsis (depth perception), eye coordination, and focusing ability. The exact combination of tests varies from person to person, based on age, symptoms, and how you use your eyes day to day.
5. Corneal topography
Corneal topography maps the shape and curvature of the cornea — the clear front surface of the eye. This information helps determine a suitable fit for contact lenses, including Ortho-K (orthokeratology) lenses. The map is also kept on record so it can be compared at future visits.
Comparing topography over time can reveal subtle changes, such as thinning of the cornea, which may be an early sign of keratoconus. The same scan also assesses tear quality, which supports the assessment of dry eye symptoms and helps your optometrist recommend a suitable lubricant where appropriate.
6. Slit-lamp examination
A slit lamp gives a magnified, illuminated view of the front structures of the eye. With it, your optometrist can check for signs ranging from a corneal abrasion to changes in the eye’s drainage angle, and can also look for early indications of cataracts. For contact lens wearers, this step also helps confirm that your lenses are sitting and fitting well, so your eye health is supported during wear.
7. Fundus photography
Fundus photography captures an image of the back of the eye, including the retina. Stored as part of your record, these images give your optometrist a baseline to compare against at future visits and can help flag early signs of retinal disease, including diabetic retinopathy. Where findings suggest it, a timely referral helps you access further medical care promptly.
8. Recommendations and solutions
Finally, your optometrist brings together your goals and any findings from the exam to discuss suitable options. If you are looking at progressive spectacles, for example, they can talk you through the differences between lens types, help match frames to your lifestyle, and explain the choices so you can decide what works best for you.
How long does a comprehensive eye exam take?
A full comprehensive eye examination at EMME Visioncare takes around 40 minutes, though the exact time depends on which tests are needed for your eyes. Throughout the visit, the focus is on assessing your eye health carefully and identifying any early changes that may benefit from monitoring or early intervention.
How often should you have one?
How frequently you need a comprehensive eye exam depends on your age and risk factors. As a general guide, Singapore National Eye Centre suggests adults have periodic comprehensive eye examinations, with shorter intervals as you get older or if you have risk factors such as diabetes, high blood pressure, a family history of eye disease, or if you wear contact lenses. Your optometrist can advise on a schedule that suits you.
Book a comprehensive eye exam with EMME Visioncare to have your vision and eye health assessed by our optometrists.