In the meantime, absorb many infrared ray, the eye ground that the direct illuminate place of orthoptic sun or intense arc light causes is injured, if common solar sex retina is choroid burnable.
Here in one shot, you can see they have to be careful with flooding in rivers but above the so-called burn scar, completely stripped of vegetation in some places.
The CDC says you can wear loose fitting, lightweight clothing, stay hydrated, protect against sunburn with SPF and take it easy during the hottest parts of the day.