Skip to main content

👓 Glasses

Guide to shop a pair of glasses.

Prescription​

For prescription glasses, these are the must have numbers:

Sphere (SPH)Cylinder (CYL)AxisPD
OD (Right eye)
OS (Left eye)

Note: Most PD only have only one number

Lens​

  • Bifocal / Progressive: Lens for both nearsightedness, and farsightedness
  • Polarized: Reduces glare from reflective surfaces like water, snow, and glass
  • Anti-Reflective: Coating that minimizes glare and reflections to improve visual acuity
  • Light-Reactive / Photochromic: Change color under strong sunlight
  • Hig-index: Thinner lens for higher prescription
PrescriptionRecommend
+/-4.00 ~ +/-8.001.67 high-index
+/-8.00 and higher1.74 high-index

Frame​

Located at the arm of the glass, denoted as:

{Lens Width}⃞{Bridge Width}-{Arm Length}
Lens Width

Lens Width

Bridge Width

Bridge Width

Arm Length

Arm Length

Lens Height

Lens Height

Tips​

  • Frame width should be slightly larger than face.
  • If your PD number is low, your bridge width should also be shorter.
  • Round face goes with square frame, vice versa, but not a must.
  • Frame color best matched with face and hair with the same color.

Brands​

  • 🇺🇸 Ray-Ban: The OG of aviator sunglasses.
  • 🇩🇪 ic! berlin
  • 🇯🇵 JINS
  • 🇯🇵 OWNDAYS
  • 🇺🇸 Warby Parker: Modern app shopping experience with virtual tryon, home exam, and exclusive frames.

Merchants​