There are usually many misconceptions in the mind of novice Artists.
How Eyes should be drawn is one of them: there's a wrong mental representation of what an eye is, because of many Commonplaces!
Also, many mental representations are flat... you can fix that by beginning to think 3D.
Let's enrich our mental representations by observing how things actually are, rather than how we idealize and symbolize them!
See it on Deviantart if you want: http://dex91.deviantart.c om/art/Commonplaces-to-ER ADICATE-drawing-Eyes-Tuto rial-357839859