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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.
Order glasses online with the right prescription, pupillary distance, frame measurements and return terms, and know when in-person fitting makes more sense.
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.
Which eyeglass lens coatings and options are worth it: anti-reflective, scratch-resistant, UV protection, blue light filtering, photochromic and high-index lenses.
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.
How progressive, bifocal and reading lenses differ, who each suits, how long progressives take to adjust to, and what to check when ordering them.
Understand what blue-light filtering glasses do, what eye-health guidance says about screens and why comfort, breaks and prescription fit matter more.
Decide whether computer glasses make sense by matching prescription and lens power to your screen distance, working posture and existing eyewear.
Compare acetate, metal and mixed eyeglass frames by feel, fit, adjustability and care, with practical checks for skin sensitivity and daily wear.
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.
Learn how lens index affects thickness, and what your prescription, frame size and lens design change before you choose.
Choose children’s glasses by prescription, eye position, comfortable frame fit, lens material and practical durability, with an optician’s help.
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.
Compare clip-on, fit-over and dedicated prescription sunglasses by frame compatibility, fit, UV specifications and how you prefer to switch into sunwear.
Compare photochromic and polarized lenses by how they respond to light, when each helps, how they behave in cars and why UV protection is a separate check.
The difference between UV protection and polarization, what UV400 and lens categories mean, and how to choose sunglasses for driving, water and everyday wear.
Choose prescription sunglasses by checking your current prescription, UV protection, polarization, lens options, frame coverage and the seller's fitting process.
Choose sport sunglasses by UV protection, secure fit, side coverage, prescription needs and the demands of your activity, with practical checks before buying.
How to find your face shape and choose sunglasses that suit it, plus sizing, fit and style tips for aviators, wayfarer-style, round and oversized frames.
Contact lenses
Daily, two-week and monthly contact lenses, and lens care.
How daily disposable, two-week and monthly contact lenses compare for comfort, hygiene, cost and convenience, and what your contact lens prescription includes.
Learn what toric and spherical contact lenses correct, which prescription fields distinguish them, and why the lens must match your eye-care provider's fitting.
Follow the lens and solution instructions, use fresh disinfecting solution, keep water away and replace your contact lens case as directed.
Understand the lens-specific details on a contact lens prescription and how to use it when ordering.
Pack contact lenses, glasses, a clean case and compatible solution, then keep your normal replacement and hygiene routine while traveling.
Accessories
Cases, cleaning kits, straps, readers and computer glasses.
