Usually dark circles are due to mental stress or nutritional deficiency or sleeplessness or overexposure to sun or dryness. You are having factors together.
You are having computer vision syndrome please use lubricant eye drops e.g. teardrop 2to3 times daily and rub ocupol d's eye oint twice daily on lids
For mental stress do yoga and meditation
Next Steps
follow 20.20.formula ie close your eyes for 20seconds after every after every 20minutes.keep proper distance between eyes and screen wash your eyes with freshwater frequently and don't sit facing towards acorn blowers consume lots of fresh fruit and vegetables and also do cold compresses with ice
Health Tips
have sufficient sleep.as lack of sleep may lead to heart problem too.