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.
4 large free-range eggs, at room temperature, plus 1 egg white. 1  1. Preheat the oven to 180C and put a baking sheet on the middle shelf. 2  2. Spread the crumbs over the base of a tall 20cm cake tin (springform if you have one) and press down firmly with a glass until you have a well compacted, flat base.