Never Look at the Sun Our retina contains no pain receptors, so you won't even feel it when the damage happens. In the bright sunlight, retinal cells can be irreparably damaged in a matter of seconds. Besides, there is an area of highly sensitive cells in the retina called the yellow spot. This is where visual acuity is greatest. It's also responsible for the eye's ability to distinguish small details in dusk. ☝🏻Destruction of the yellow spot cells leads to significant visual impairment.