Guide

They resemble regular shades, but glare is darker, colors look truer, and LCD screens can rainbow or dim when you tilt the lenses.

Itch after shaving comes from irritation, dryness, and ingrown hairs; better prep, sharp blades, and soothing care calm the skin.

Regular cardio makes the heart pump blood with less strain, improves circulation, and lowers long-term risk of heart and blood vessel disease.

Polarized sunglasses use a vertical filter that blocks glare from flat surfaces like roads, water, and snow for clearer, more comfortable vision.

On a hospital bracelet, BOD usually means born on date—the patient’s date of birth.

Cardio before lifting can warm you up, slightly drain strength, and change how your body uses fuel during the workout.

“Limb alert” tells staff to avoid blood pressure cuffs, blood draws, and IVs on the marked arm or leg to prevent harm.

On Oakley sunglasses, “Rx” means the eyewear supports prescription use—either Rx-ready sunglasses or an optical “RX” model built for prescriptions.

Non-polarised sunglasses cut overall brightness but not reflected glare; UV safety comes from UV400 or “100% UV” protection, not from polarisation.

On a medical bracelet, ICD means “implantable cardioverter-defibrillator,” a heart device that can deliver a life-saving shock.