What could using computer not cause if you are blind?
Options:
- increased efficiency
- happy
- stress
- carpal tunnel syndrome
- eye strain
Let's think now! Step-by-step reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Using computer could not cause eye strain if you are blind. Blind person dont suffer from eye strain.
So, the final answer is eye strain.