Try spending less time on computers. Looks like you do. Take a break. Go outside.

Piassa from 450 jemro bedenb ketekerakerk or ketekerakersh might be even less

Better to get check first. You may need a solar lense degree 0. But it has many types.. sometimes the one you got in cheap price is scartchable and won't help you any better. There's a blue ray cutter lense.. It's still debatable on how the blue light radiated from the computer affect our eyes and leads to permanent retina damage but it still causes digital eyestrain. The price is 1000 birr and the frame might cost youextra 300 or 400 depending on the frame.

https://t.me/newoptics