He may use an odd looking helmet called an "indirect ophthalmoscope ... making a yearly dialated eye exam well worth the time.

Hermann von Helmholtz is credited with having invented the ophthalmoscope in 1851. Across the world, this instrument is now used in routine eye exams daily. The ophthalmoscope increased knowledge ...

Fundic exam. The posterior portion of the ... use indirect ophthalmoscopy to examine the back of the eye (Fig. 3). A direct ophthalmoscope or panophthalmoscope may also be used to visualize ...