Bigger Monitor
Easier to see, less neck strain.
1. 27-inch sweet spot
$200-400. Big enough but fits on desk. Plug into laptop.
2. 4K resolution
Sharper text. Easier on eyes. Worth the small extra cost.
3. Adjust scaling
Settings, Display. Make text larger. 125-150% works for most.
4. Eye level
Top of screen at eye level. Reduces neck strain.
5. Anti-glare
Position perpendicular to windows. Or use anti-glare filter.
6. Blue light reduction
Settings, Night Shift. Warmer colors at night. Better sleep.
20-20-20 rule: Every 20 minutes, look 20 feet away for 20 seconds. Protects eyes.