**Specifications:**
**Brand:** Ouna
**Frame Width:** 139mm
**Lens Width:** 53mm
**Lens Height:** 39mm
**Nose Bridge Width:** 18mm
**Temple Length:** 140mm
*Note: All above measurements are manually taken, with a margin of error within 1-3mm.*
**Reading Glasses Age and Prescription Chart:**
| **Age** | **Around 45** | **Around 50** | **Around 55** | **Around 60** | **Around 65** | **Around 70** | **Above 75** |
| **Prescription** | +100 | +150 | +200 | +250 | +300 | +350 | +400 |
*Note: The above prescriptions are for reference only, actual prescription may vary due to different degrees of aging of the crystalline lens.*
**Product Features:**
**Color:** Black
**Hinge:** Metal reinforcement for durability
**Temple:** Anti-slip design for a secure fit
**Nose Pads:** Silicone material to prevent red marks on the nose