EyeglassesFrames, lenses and prescriptions
SunglassesUV, polarized and prescription
Contact lensesDailies, monthlies and care
AccessoriesCases, cleaning and blue light
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24 buying guides

Choose with confidence

Frame sizes, lens coatings, prescriptions and UV protection explained in plain English, so you can buy eyewear online with confidence.

Eyeglasses

Prescription glasses, frames, lens types and coatings.

Eyeglasses hub →
Buying guideHow to Buy Glasses Online
Online ordering

Order glasses online with the right prescription, pupillary distance, frame measurements and return terms, and know when in-person fitting makes more sense.

Buying guideHow to Read Your Glasses Prescription
Prescriptions

What every number on a glasses prescription means: OD and OS, SPH, CYL, AXIS, ADD, prism and PD, with examples and tips for ordering glasses online.

Buying guideEyeglass Lens Coatings Explained
Lenses

Which eyeglass lens coatings and options are worth it: anti-reflective, scratch-resistant, UV protection, blue light filtering, photochromic and high-index lenses.

ComparisonOTC vs Prescription Reading Glasses
Near vision

Compare ready-made reading glasses with prescription readers by eye power, astigmatism, fit and viewing distance, and know when to ask an eye-care professional.

ComparisonProgressive vs Bifocal Lenses
Lenses

How progressive, bifocal and reading lenses differ, who each suits, how long progressives take to adjust to, and what to check when ordering them.

Buying guideBlue Light Glasses
Screen eyewear

Understand what blue-light filtering glasses do, what eye-health guidance says about screens and why comfort, breaks and prescription fit matter more.

Buying guideComputer Glasses Guide
Workday eyewear

Decide whether computer glasses make sense by matching prescription and lens power to your screen distance, working posture and existing eyewear.

Buying guideEyeglass Frame Materials
Frames

Compare acetate, metal and mixed eyeglass frames by feel, fit, adjustability and care, with practical checks for skin sensitivity and daily wear.

Buying guideGlasses Frame Size Guide
Fit

How to read the three numbers on glasses frames (lens width, bridge and temple length), find your size from a pair you own, and choose frames for your face.

Buying guideHigh-Index Lenses
Lens materials

Learn how lens index affects thickness, and what your prescription, frame size and lens design change before you choose.

Buying guideKids’ Eyeglasses Buying Guide
Children’s eyewear

Choose children’s glasses by prescription, eye position, comfortable frame fit, lens material and practical durability, with an optician’s help.

Buying guidePrescription Safety Glasses
Protective eyewear

Choose prescription safety eyewear by the workplace hazard, side coverage, fit and the requirements for the task.

Sunglasses

Sunglasses for everyday, sport and driving, including prescription sunglasses.

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Contact lenses

Daily, two-week and monthly contact lenses, and lens care.

Contact lenses hub →

Accessories

Cases, cleaning kits, straps, readers and computer glasses.

Accessories hub →