An ophthalmologist performs multiple duties related to eye and vision care. He/she may undertake eye surgeries of varying types, suggest medications, and perform eye exams and more. The job requires the utmost concentration and focus.
The next step is very important and you need to get it right. Say your phone number two times very slowly so the person has enough time to write down your number as they are listening to your message the first time.

We’re all familiar with this type of voicemail greeting. Simply put, a caller reaches you by dialing your number or extension directly. For an optimal personal voicemail greeting, be clear about who you are, the team you’re on, and when the caller can expect a callback. Unlike company and department voicemail greetings, you may not be able to configure a greeting for open and closed business hours. If that’s the case, use a general voicemail greeting that accommodates both scenarios.
Make it obvious why you’re leaving the message by asking a specific question at the end related to why they should call you back.