Gonioscopy

Pictorial representation
Scheie
stage:
I.
II.
III.
IV.
 
visible:
ciliary body:
peripheral edge of the iris:
 
a narrower zone is visible
not visible
covers the posterior trabeculum
to Schwalbe
line
stage:
4.
3.
2.
1.
0.
angle estimation:
35-45°
25-35°
20°
10°
0°
Angle is:
wide open
open,
does not tend to close
narrow, possible closure
dangerously narrow
closed angle
d room/cornea
≥1
1-½
½-¼
<¼
0
visible:
ciliary body
scleral crest
trabeculae
Schwalbe line
iridocorneal contact
Spaeth
visible:
·iris insertion:
E „Extremely deep“
on the ciliary body
D „Deep“
behind the scleral ridge
C
on the scleral ridge
B „Behind“
posterior to the Schwalbe line
A „Anterior“
anterior to Schwalbe line
visible:
·iris configuration:
s = steep, steep         or b = bows anteriorly, anteriorly convex
r = regular, regular    or f = flat, flat
q = queer, recessed  or c = concave, anteriorly concave
p = plato
Describe additionally:

Pigmentation of the trabeculum: 0 - absent, 1+ - minimal, 2+ - mild, 3+ - moderate, 4+ - expressed

Neovascularization: absent/present

PAS (peripheral anterior synechiae): absent/present