Contrast Sensitivity

Contrast sensitivity is your eye's ability to distinguish objects from their background, especially when details are faint or lighting is poor. It measures how well you can perceive differences in brightness levels, not just full black-and-white contrasts. For example, it’s what allows you to see a partially lit object on a dimly lit street or recognize faces in foggy conditions. Good contrast sensitivity is essential for everyday activities like driving at night or reading in low light, and it can be affected by age, eye conditions, or certain visual impairments.