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.
Ingredients. 1  1 box devil's food cake mix. 2  1â2 cup vegetable oil (unless other specified) 3  1 1â4 cup water (unless otherwise specified)  3 large eggs (unless otherwise 1  specified) 1 clean tin 2  can. Vanilla frosting, to taste.