Specifications:Degree : 150, 200, 250, 300, 350Frame Material: PlasticColor: BlackGender: Unisex Presbyopia negree And Age Reference Table Age(years old) Under 50 50-54 55-59 60-64 65-69 70-75 Suitable Degree 1.0 1.5 2.0 2.5 3.0 3.5 Degrees 100 150 200 250 300 350 *The above figures are for reference only and may vary depending on the degree of presbyopia of the individual. Features:1. HD Eye Protection: HD lenses provide a clear view, protecting your eyes from fatigue and strain. 2. Anti-Fatigue Design: The comfortable design reduces eye fatigue, allowing you to read for longer periods of time. 3. Natural Crystal Material: These glasses are made of natural crystal, which is wearable and provides reliable eye protection. 4. Unisex Design: These glasses are suitable for both men and women, making them a versatile accessory that anyone can wear.Package includes:1 x Glasses