Your lens diameter is a key factor in vision clarity and comfort, just like your prescription.

The size of your lenses isn’t just cosmetic—it affects everything from glare reduction to peripheral vision and overall wearability.

Lens requirements vary dramatically between individuals—there’s no universal standard.

Start with recognizing whether your eyes are round, almond-shaped, hooded, monolid, or upturned.

Your eye anatomy affects everything from optical alignment to how the lens frames your gaze.

To counteract the natural roundness, opt for a slightly wider lens diameter to soften the look and improve optical performance.

With almond eyes, you have flexibility—most lens diameters will work well without distortion.

Hooded eyes benefit from wider lenses that extend beyond the lid’s reach, ensuring clear sight and preventing lens displacement.

Monolids look best with lenses that enhance eye visibility, avoiding anything too petite.

With upturned eyes, a slightly wider lens paired with a gentle curve enhances the eye’s natural lift.

If your pupils aren’t centered in the lens, especially with strong prescriptions, you risk headaches, dizziness, or distorted sight.

Don’t rely on online tools alone—professional measurement ensures your lenses enhance both vision and appearance.

What appears ideal in a catalog may feel awkward or restrictive when worn.

The right lens diameter should feel invisible, reduce glare, eliminate distortion, カラコン 乱視 and highlight your eyes—not distract from them.

Fashion may catch the eye, but proper fit sustains comfort and clarity