Forty-eight-year-old carlos has noticed that he tires easily and often get headaches when doing computer work. he also needs to hold material with fine print at an arm's length to read it. most likely carlos is experiencing:

Most likely Carlos is experiencing "presbyopia".

Presbyopia is a characteristic piece of the maturing procedure. It is because of solidifying of the focal point of the eye making the eye center light behind as opposed to around the retina when taking a gander at close questions. It is a sort of refractive blunder alongside myopia, farsightedness, and astigmatism.