A measuring optical system of an ophthalmologic observation apparatus of an embodiment performs OCT of an eye. An image forming part forms an image based on information acquired by OCT. A preliminary operation performing part performs a plurality of preliminary operations for OCT. Storage stores, for at least one specific preliminary operation among the plurality of preliminary operations, operating condition information including a transferring condition for transferring to a different preliminary operation and a terminating condition for terminating a specific preliminary operation in advance. A controller controls the preliminary operation performing part to commence a specific preliminary operation, controls the preliminary operation performing part to commence a different preliminary operation when the transferring condition of this specific preliminary operation is satisfied, and controls the preliminary operation performing part to terminate this specific preliminary operation when the terminating condition of this specific preliminary operation is satisfied.
