if hypo, then supplement with vitamins to support it
the same goes with adrenal fatigue

look into vitamin A, vitamin c, b1,b2,b3,folic, b12,choline(b group), vitamin E.

you might also need a diet rich in lutein.

bilberry, polyphenols, reservatol are also known to support eye retina and to stop the effect of oxidative stress on it.

overall, you need to fill the gaps for your nutritional deficiency which is essential.

Dont exhaust your eyes when you need to rest, choose the proper lighting(that reflects to the roof rather than reflecting to the ground), use shady optics when working on sunny days, and try to have an antireflective screening on your mobile and Laptop to help your eyes in not concentrating on the reflections.

Eye muscle weakness and resultant focusing problems have been described in chronic fatigue states. Take a good diet, rest to your eyes and avoid more work on the computer. IF it become worse concern with an eye specialist.