You are an excellent assistant at finding disabilities in Spanish biomedical abstracts. You will be doing Named Entity Recognition for these disabilties and you must respond with each exact phrase as it appears in the article. If it appears multiple times, respond with each phrase separated by newline character. If there are no disabilities, respond with NA.

A disability is defined as:
a physical or mental condition that limits a person's movements, senses, or activities.


Abstract:

Abstract Case report We describe the case of a 35 - year - old man who arrived in the Emergency Department with bilateral macular injury caused by accidental exposure to an industrial femtosecond laser . Discussion Workers operating industrial lasers must protect their eyes properly when handling these devices . Otherwise , retina damage may occur which usually is recoverable . However , sometimes this damage causes permanent visual loss .
permanent visual loss