It depends on whats wrong to make your eye red but if its red and itchy and discharging anything then it is very contagious and called conjunctivitis.
Leukocoria is the white reflection.
The medical term for blood in the eye is subconjunctival hemorrhage. This occurs when a small blood vessel breaks just underneath the clear surface of the eye (conjunctiva), resulting in a red spot on the white part of the eye. It is usually harmless and resolves on its own.
Indurated
Erythematous is the medical term for red. Erythema means redness.The color red can be rubor or eryth-
Dermatographism is the term for skin that stays red when scratched.
Erythroderma is a medical term meaning red skin.
Hematocytopenia is the medical term meaning low red blood cell count. In the US, we usually use the word anemia.
polycythemia
Eosinophilic
Erythrocytopathy is the medical term meaning any disease of red blood cells.
Hyperglycemia is a medical term for excessive sugar (glucose) in the blood.
Sickling