sentences: looking at bright objects has a negative impact on the eyes
docs: bright_eyes is good_band. looking_out_window has effect_of_seeing_interesting_things contrast is visual_perception. monocular_vision is sight. eyesight is sight. light is why_see_beauty. wearing_eyeglasses has effect_of_improving_vision birds has good_eyesight light is visual_property. color_vision is sight.