Clinical Characteristics and Surgical Procedures for Children with Congenital Membranous Cataract
Table 3
Clinical characteristics of cataract morphology observed by UBM and operating microscopic examination by patient case.
UBM
UBM type
Operating microscopy
Congenital membranous cataract subtype
(1) OS: thickened pizza-shaped
1
Lens appeared white opaque with a red mass in the center. There were lots of vessels in the lens
Vascular membranous cataract (OM-type 4)
(2) OD: flying saucer-shaped
3
Pupil covered by a circular white opacity (right eye) and irregular white opacity (left eye) in the center before cataract surgery. A semiclear area in the periphery
Lens cortex was mostly absorbed (OM-type 2)
OS: pizza-shaped
1
(3) OS: linear lens
2
Dilated pupil was covered by a white opacity before cataract surgery. A semiclear area in the periphery
Lens cortex was completely absorbed (OM-type 3)
(4) OU: linear lens
2
Dilated pupil was covered by a white opacity before cataract surgery. A semiclear area in the periphery
Lens cortex was completely absorbed (OM-type 3)
(5) OD: dumbbell-shaped
4
Dilated pupil was covered by a white opacity before cataract surgery. A semiclear area in the periphery
Lens cortex was mostly absorbed (OM-type 2)
OS: flying saucer-shaped
3
(6) OS: fusiform
5
Pupil was covered by a daisy-like white opacity in the center before cataract surgery. A semiclear area in the periphery