Graphics

Hello Napster1 here. My minecraft in 1.8 goes weard when i turn my "Render Distance" too high i get weard chunk glitches(i only can see them the blocks are not actually there)
and with all "Render Distances" i have a black line at the and of my rendered distance. Check screenshots, also in my inventory or with f5 i cant see my full skin only a part of it and parts are floating in my inventory/sky. Plz help my, Thanks.