Choose the Correct Gonioscopy Mirror Using Your Thumb | 合法醫療器材資訊網

2014年2月5日—Performing3-mirrorgonioscopyduringclinicorapracticalcanbe...theshapeofthemostperipherally-focusedmirrorofthegonioscopylens.

Performing 3-mirror gonioscopy during clinic or a practical exam can be difficult enough without having to remember which mirror sees which structures! Luckily, keeping things straight can be as simple as giving a quick “thumbs up!”

Use your extended thumb to remind you of what each mirror shows. Just think of each mirror as making up 1/3 of your thumb. The most peripheral portion of your thumb is D-shaped, which is also the shape of the most peripherally-focused mirror of the gonioscopy lens. This thumb-mirror shape trend continues with the other two mirrors as shown in the diagram below.

Most of the time, you’ll be using the apical mirror to look at the anterior chamber angle[1]. Having trouble remembering which structures make up the angle? The anterior chamber angle structures from posterior to anterior are as follows: Iris, ciliary body...