Quick Reference Guide
Patient’s Side Eyecup
Practitioner’s Side brow-rest
Instructions for Conducting an Exam
Start by removing your eyeglasses (recommended).
Begin by focusing across the room on an object at least 10
feet away – the image should be clear and sharp.
2. SET TO SMALL SPOT
For optimal undilated viewing, aperture dial should be placed
on the small aperture (green line) position
Turn scope on (using any Welch Allyn 3.5v power source).
Adjust light intensity rheostat to maximum position.
Continued on back.
3. EXAM POSITION
Position yourself about 6 inches away and at a 15 to 20
degree angle on the temporal side of your patient
Looking through the scope, shine the light at the patient’s
eye and look for the red retinal reflex.
4. APPROACH & MAKE CONTACT
Slowly follow the red reflex toward the patient and into
The eyecup should contact the patient’s brow.
This contact is essential because it:
1. Establishes the proper viewing distance
2. Provides stabilization for the view
3. Creates a pivoting point for leverage in panning around
4. Occludes ambient light
5. OPTIMIZE VIEW
Adjust the focus (as necessary) to accommodate for your
Compress the eyecup about half its length to maximize the
6. WHAT YOU WILL SEE
The entire optic disc and surrounding vessels should be
You should be realizing 5X the field-of-view you normally
see with a standard ophthalmoscope in an undilated eye.
This wide view makes it much easier to see important
118054 Rev. C