 
<translate> Iji kọmputa eme ihe apụghị ime ka anya gwụ gị ike ma ọ bụrụ na ị kpuru ìsì. Onye kpuru ìsì anaghị enwe nsogbu anya. N'ihi ya, azịza ikpeazụ bụ ike ọgwụgwụ nke anya. <eng> 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. 