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.
1 In a bowl, beat eggs at high speed for 5 minutes or until pale yellow. Gradually beat in sugar and vanilla, mixing until sugar is dissolved. Combine the flour, baking powder and salt; add to batter alternately with cream. Pour into a greased 10-in. tube pan.  Bake at 350Â° for 60-70 minutes or until cake tests done.