As mentioned above, similar to the Elbola virus, Marburg is a "rare but severe viral hemorrhagic ... where blood vessels in the eyes burst, causing the whites of the eyes to appear red or bloodshot.

You have actually already described what is likely to be wrong, which is that you are straining your eyes. This means that you are overworking the muscles of the eye, which are responsible for ...

Bloodshot eyes can often be brushed off as fatigue or ... Headaches can come from a variety of sources, but frequent or severe headaches might be a signal of cardiovascular problems.