Hello, Staring at a bright screen for long durations is a strain on the eye, and is not very healthy for it. I am assuming you work in the IT sector, and so it wouldn't make much sense to advice you to avoid looking at a screen for long hours; but what you can do is, -Use a screen dimmer / screen filter -Avoid working in a dark room -Close your eyes and give it a break every half hour or so. For expert advice - Meet an Opthalmologist

Hi, The blood vessels in your eyes swell and your eyes get red, teary, and itchy. You can be allergic to: Pollen from grasses, weeds, and trees. These are the most common kinds of eye allergies and are called seasonal allergic conjunctivitis. Avoid these triggering factors. Kindly consult Ophthalmologist if associated with pain, redness, diminision of vision, photophobia, lacrimation...