| Power | 1.50 (Non-Refundable) |
|---|---|
| Type | Blue Light Blocking Glasses |
| Brand | Ernest Hemingway |
| Department | Unisex Adults |
| Frame Color | Multicolor |
| Style | Rectangle |
| Frame Material | Acetate |
| Vintage | No |
| Theme | Designer |
| Magnification Strength | =+1.50 strength||=+2.00 strength||=+2.50 strength |
| Features | Lightweight |
| Pattern | Tortoise Shell |
Check the listing for details. Ernest Hemingway Designer Multi-Focus Len Blue Light Glasses 4652 Black Tortoise. Condition: New with tags. Listed at 59.95 USD. Ernest Hemingway Eyeglass Collection. One of the more surprising impacts of exposure to screens is the potential to negatively affect sleep patterns. In general, we should all avoid using blue-light devices one to two hours before sleep.