• Computer Use and Eye strain.
• Staring at your computer screen, smartphone, video game or other digital devices for long periods won’t cause permanent eye damage, but your eyes may feel dry and tired.
• A nevus is typically a flat, benign, pigmented area that may appear inside the eye or on its surface.
• Your ophthalmologist will monitor it for growth although the risk of malignant conversion is very low.

Link: eyewiki.aao.org/Category:Retina/Vitreous