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.
You can enchant with an enchanting table and some bookshelves, but not vice versa. Villagers (the priest mainly) will enchant your item for a fee of some emeralds as said in the Minecraft Combat Book (Since enchanting is not available, priests will not be able to do this in Minecraft PE.They can only do this in the Full Version). To craft the table, you need 2 diamonds, 4 obsidian, and a book:illagers (the priest mainly) will enchant your item for a fee of some emeralds as said in the Minecraft Combat Book (Since enchanting is not available, priests will not be able to do this in Minecraft PE.