Eye Exams
Slit Lamp Exam: What It Shows
Slit lamp exam explained: what this microscope test reveals about your cornea, lens and retina, what…
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OD OS prescription explained: what these Latin abbreviations mean, which eye is which, plus…
Eye ExamsLearn to read eye prescription numbers: OD, OS, SPH, CYL, axis, ADD and PD…
Eye ExamsHow does the color vision test Ishihara version work? These dotted plates reveal red-green…
Clear eyeglasses guides, comparisons and practical tips.
26 articlesClear contact lenses guides, comparisons and practical tips.
26 articlesClear sunglasses guides, comparisons and practical tips.
24 articlesClear eye health guides, comparisons and practical tips.
36 articlesClear eye exams guides, comparisons and practical tips.
16 articlesClear kids vision guides, comparisons and practical tips.
4 articlesClear lens technology guides, comparisons and practical tips.
4 articlesSlit lamp exam explained: what this microscope test reveals about your cornea, lens and retina, what…
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How does a refraction test eye prescription get measured? Learn about phoropters, autorefractors, the 'which is…
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Eye pressure test tonometry guide: what the air-puff and Goldmann methods feel like, normal IOP ranges,…
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Retinal imaging explained: what fundus photography captures, how it helps detect eye disease early, and what…
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What does an OCT scan eye test show? Learn how this painless retinal imaging works, which…
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Visual field test explained: how the exam maps your peripheral vision, what glaucoma results mean, how…
Read More →From choosing your first pair of glasses to understanding an eye exam — every guide is written in plain language and reviewed for accuracy.
Bifocal trifocal lenses explained: how each multifocal works, key differences, honest pros and cons, and how lined multifocals compare to…
How to stop glasses slipping down your nose for good: free professional adjustments, nose pad upgrades, temple fixes, anti-slip products,…
Reading glasses prescription readers compared: when drugstore readers are fine, when you need custom lenses, hidden risks, and alternatives for…
This sports glasses goggles guide covers the best protective eyewear for basketball, racquet sports, skiing, swimming, and cycling — plus…
Most adults should have a comprehensive eye exam every one to two years. If you wear glasses or contacts, have diabetes, or are over 60, yearly exams are usually recommended.
Your prescription lists sphere (SPH) for nearsightedness or farsightedness, cylinder (CYL) and axis for astigmatism, and ADD for reading power. Our guide walks through each number with examples.
Evidence is mixed. They may reduce glare for some people, but good screen habits — the 20-20-20 rule, proper lighting, regular blinking — matter more for comfort.
Yes. Toric contact lenses are designed specifically for astigmatism. An eye doctor will fit them to your prescription during a contact lens exam.
Yes — children's eyes are more vulnerable to UV damage. Look for sunglasses labeled 100% UVA/UVB protection with a comfortable, secure fit.
Eye dilation expect: what happens during the test, common side effects like light sensitivity and blurry…
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Prepare for an eye exam the right way. What to bring, which questions to ask, how…
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Does insurance cover eye exams? It depends on your plan type. Learn the difference between vision…
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Light sensitivity makes bright light painful. Explore photophobia causes, from dry eye and corneal issues to…
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Double vision can signal eye muscle problems or serious neurological issues. Learn the causes of diplopia,…
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Eye pain has many causes, from minor irritation to emergency. Learn to distinguish surface pain from…
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