Medical Definition of ophthalmology. plural. ophthalmologies. : a branch of medical science dealing with the structure, functions, and diseases of the eye.
It will be just fine! Most cake mixes only use 1 or 2 eggs anyway. Replace the water with milk if you have it and then either add an extra dash of oil or just go ahead and replace the oil with melted butter. You'll never miss that egg.
Now, most cake mixes ask for 2 or 3 eggs. Ignore that and add 4 large eggs and make sure they are fresh. The older eggs sometimes make your cakes smell funky or maybe I tend to notice that coz I have a the nose of a hound! lol. Also, donât add oil but instead, use unsalted butter.