Blue Light Glasses
Less screen strain, better sleep.
1. What they do
Filter blue light from screens. Some seniors find less eye strain after long use.
2. Cheap options
$15-30 on Amazon. Brands like Gunnar, Felix Gray.
3. Add to prescription
Optometrist can add coating to your existing glasses. $50-100 extra.
4. Built-in screen filters
Free. Phone Night Shift, Mac Night Shift, Windows Night light. Same idea.
5. Bedtime
Wear an hour before bed. Studies suggest better sleep.
6. Mixed evidence
Some studies show benefit, some don't. Try cheap pair first before pricier.
20-20-20 rule does more for eyes than glasses. Look 20 feet away every 20 min.