Traumatic optic neuropathy (TON) refers to an acute injury of the optic nerve secondary to trauma. The optic nerve axons may be damaged either directly or indirectly and the visual loss may be partial or complete.
In Minecraft, emerald ore is very hard to find and is found in small deposits in the Extreme Hills biome. You can usually find emerald ore between 13 and 31 blocks below the ground and close to lava. So if you see a pool of lava in the Extreme Hills biome, that is a great place to start mining downward.
Emerald Emerald is the most popular green gemstone in the United States and most of the world. Opal Photos Pictures of Opal A collection of different types of opal from all around the world and Mars too! U.S. Gemstones United States Gemstones Small mines in the U.S. produce a diversity of gemstones.