Sometimes Nighttime is the worst time. Symptoms associated with eye strain, especially dry eyes, can make it hard to sleep at night. Eye Strain Relief® PM is a preservative free ointment that offers soothing nighttime relief for eye strain symptoms. Our Eye Strain PM ointment includes seven, 100% natural active ingredients formulated to help fight eye strain symptoms while you sleep, allowing you to wake up feeling rested and refreshed. Eye strain Relief® PM is also effective in reducing digital eye strain symptoms caused by blue light exposure, including eye fatigue and sleeplessness. Rest assured, Eye Strain Relief® PM is formulated to help you with Blue Light Relief™.