Quick Answer
Lens choice depends on prescription strength, daily use, and preferences (thinness, blue light, photochromic).
Quick Lens Picker
| Your Need | Lens Type |
|---|---|
| See far only | Single Vision Distance |
| Read up close | Single Vision Near / Readers |
| Far + near | Progressive or Bifocal |
| Sun protection | Tinted / Polarized / Photochromic |
Index by SPH
| SPH | Index |
|---|---|
| ±0–2.00 | 1.56 Standard |
| ±2–4.00 | 1.61 Mid-Index |
| ±4–6.00 | 1.67 High-Index |
| ±6.00+ | 1.74 Ultra High-Index |
Deep dive: High-Index Lens Guide · Lenses & Coatings