High-Energy Demand for Eyes May Account for Its Vulnerability, Says NEI Study

"Our eyes are especially demanding when it comes to energy: Along with our brain, they require a substantial amount of power to keep them functioning and healthy. Now a new study by the National Eye Institute suggests that because of their high-energy demands, our eyes function at high efficiency and with little reserve capacity, which scientists say may explain why they become vulnerable to degenerative diseases." That's from a post from the NEI. Read more.