Eyeglasses

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.