“Almost all divers wear goggles or a face-mask as without them the eyes are unable to focus underwater and everything appears blurred. This is because when a light ray passes from one medium to another – in this case from… — Frances Ashcroft Copy Share Image
“Almost all divers wear goggles or a face-mask as without them the eyes are unable to focus underwater and everything appears blurred. This is… — Frances Ashcroft Copy Share Image
