Directions: Read the information below and answer the Question. A neurosurgeon, an orthopaedist, a plastic surgeon and an ophthalmologist visited the patient after a surgery.
The time of each visit is mentioned below:
Neurosurgeon at 7:45
Orthopaedist 8:30
Plastic surgeon 9:15
Ophthalmologist 9:50
Each time mentioned above may be either A.M. or P.M.

If the ophthalmologist generally goes for his rounds before the surgeons, but not unless any other doctor does, and the neurosurgeon is not the last to go for his rounds, what is the correct sequence of their visit?