By Wallace L. M. Alward MD, Reid A. Longmuir MD
Gonioscopy is a method of exam of the iridocorneal attitude of the attention. it's a serious part of the exam of all sufferers, rather people with glaucoma. it's a a part of the attention exam that is super tricky for trainees to benefit. a few older practitioners have by no means develop into specialist in gonioscopic thoughts. This atlas provides all points of the method from the fundamental sciences during the rules, exam innovations and interpretation of findings.
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Additional info for Color Atlas of Gonioscopy
Abnormal concavity is seen in the pigment dispersion syndrome and the iris-retraction syndrome. The normal iris demonstrates radial markings with crypts (3 and 83). Blue irides have more prominent markings and crypts than thick, brown irides. It is valuable to compare these surface features between the two eyes. In some pathologic conditions, such as Fuchs' heterochromic iridocyclitis, the normal markings are lost, giving the iris a flat, featureless appearance. The iris also has concentric contraction rolls, which are most prominent when the pupil is large anq the iris bunched.
The angle is typically open at birth and closes over time. The mechanism of glaucoma development is thought to be rotation of the iris stump over the trabecular meshwork. This may be due to the contraction of strands of iris that extend to the trabecular'meshwork from the root of the iris (Grant and Walton, 1974). Developmental Abnormalities of the Angle 137 137 Inferior angle in aniridia demonstrating a small iris stump and a pale trabecular meshwork. The eye had undergone a previous cataract extraction.
151 Glaukomflecken under the anterior lens capsule after an attack of acute angle closure. These lens changes are caused by necrosis of the lens epithelium.