Why my eyes look yellow sometime and I also have black blood vessels in my eyes.

Question

Dark circles are indicators of physical as well as mental stress. Usually it is due to lack of sleep or undue strain to the eyes. It can also be due to a case of heridity running in the family. Other factors are mostly deficiencies borne out of improper lifestyle or certain medical conditions. 
The best way to reduce the undereye circles is to focus on getting sufficient sleep, have a balanced nutritious diet and keep yourself well hydrated. Also, avoiding UV exposure and pollution is essential.
You can consult me privately on Lybrate for personalised advice.

Ruchi A. Gupta · Accepted Answer

Dark circles are indicators of physical as well as mental stress. Usually it is due to lack of sleep or undue strain to the eyes. It can also be due to a case of heridity running in the family. Other factors are mostly deficiencies borne out of improper lifestyle or certain medical conditions. 
The best way to reduce the undereye circles is to focus on getting sufficient sleep, have a balanced nutritious diet and keep yourself well hydrated. Also, avoiding UV exposure and pollution is essential.
You can consult me privately on Lybrate for personalised advice.