my Minecraft game is acting really weird. I will go onto the game and the screen becomes really strange. imagine if you were wearing the blue and red 3D glasses, my screen looks like that. I am so confused. WHAT DO I DO!!!!

My Minecraft game is acting really weird. I will go onto the game and the screen becomes really strange. imagine if you were wearing the blue and red 3D glasses, my screen looks like that. I am so confused. WHAT DO I DO!!!!