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.
The rarest ore in Minecraft is emerald ore. Emerald ore can only be found in extreme hills biomes and only spawn as an individual rather than in veins. Emerald ore can be mined with an iron or diamond pickaxe. 1 person found this useful.