Lake Superior 82,000 sq km, 31,698 sq miles in size, is the largest fresh water lake in the world. It is about 350 miles (565 km) long and 160 miles (257 km) at its widest point. The deepest point is 1,332 ft, while the average depth is 500 ft. Shoreline: 2,730 miles (includes islands).
A pterygium can lead to severe scarring on your cornea, although this is rare. This condition needs to be treated since the scarring can cause vision loss. For minor cases, treatment usually involves eye drops or ointment to treat inflammation. In the most serious cases, treatment usually involves a corneal transplant.urgery is also done when a pterygium causes a loss of vision or a condition called astigmatism, which results in blurry vision. You can also discuss surgical procedures with your doctor if you want the pterygium removed for cosmetic reasons. There are a couple of risks associated with these operations.
List of causes of Impetigo. Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Impetigo) that could possibly cause Impetigo includes: 1  Streptococcus. 2  Staphylococcus aureus.