Excessive recession of horizontal rectus muscles in surgical treatment of congenital nystagmus

2003 ◽  
pp. 211-214
Keyword(s):  
Surgical Treatment ◽  
Congenital Nystagmus

Surgical Treatment of Congenital Nystagmus

1969 ◽  
Vol 81 (4) ◽  
pp. 473-480 ◽  
Author(s):  
E. L. Cooper ◽  
G. S. Sandall
Keyword(s):  
Surgical Treatment ◽  
Congenital Nystagmus

scholarly journals Surgical treatment of a patient with congenital nystagmus with compensatory head posture: A case report

2020 ◽  
Vol 89 (9-10) ◽  
pp. 515-520
Author(s):  
Alma Kurent ◽  
Dragica Kosec
Keyword(s):  
Visual Acuity ◽  
Surgical Treatment ◽  
Rectus Muscle ◽  
Congenital Nystagmus ◽  
Head Turn ◽  
Primary Position ◽  
Head Posture ◽  
Straight Position ◽  
Lateral Rectus Muscle ◽  
The Right

The correction of compensatory head posture in a congenital nystagmus involves surgical treatment that includes recession and resection of extraocular muscles to move the eccentric null zone to a primary position. A 39-year-old patient presented with an impaired visual acuity and nystagmus that was present since childhood. She had a left head turn with permanent neck pain. At the examination, best corrected visual acuity was 0.4 in both eyes with her glasses. Correction in the right eye was -6.50-1.50/180° and in the left eye -5.50-2.50/180°. Measured objective and subjective angles of squint were +4°, fusion from -3° to +29°, with the presence of stereo vision. During the cover test the nystagmus was present and it enhanced while covering the eye. Ocular motility was not limited. Fundus examination revealed myopic changes in both eyes. Prisms were prescribed, which were well tolerated by the patient. Also, no apparent head turn was noticed while wearing the prisms. Nine months later, the patient underwent a Kestenbaum procedure. Retroposition of the lateral rectus muscle with resection of the medial rectus muscle in the right eye and retroposition of the medial rectus muscle with resection of the lateral rectus muscle in the left eye were performed. After the procedure nystagmus dampened the most in the minimal left position, the head was in a straight position. Two years after the procedure nystagmus dampened the most in the primary position, the head was in a straight position. Nine years after surgery and refractive correction with contact lenses, the visual acuity was 0.8-0.9p in both eyes. The presented case showed that adequate functional and surgical treatment led to a good morphological outcome with improved visual acuity in a patient with congenital nystagmus and a compensatory head posture even in adulthood.

Human Stapes Crura: Normal Ultrastructure. Scanning Electron Microscopic Findings

1975 ◽  
Vol 33 ◽  
pp. 528-529
Author(s):  
M.D. Graham
Keyword(s):  
Electron Microscope ◽  
Surgical Treatment ◽  
Scanning Electron Microscope ◽  
Osmic Acid ◽  
Human Cadaver ◽  
Electron Microscopic ◽  
Scanning Electron Microscopic ◽  
Normal Human ◽  
Microscopic Findings ◽  
Scanning Electron

The recent development of the scanning electron microscope has added great impetus to the study of ultrastructural details of normal human ossicles. A thorough description of the ultrastructure of the human ossicles is required in order to determine changes associated with disease processes following medical or surgical treatment.Human stapes crura were obtained at the time of surgery for clinical otosclerosis and from human cadaver material. The specimens to be examined by the scanning electron microscope were fixed immediately in the operating room in a cold phosphate buffered 2% gluteraldehyde solution, washed with Ringers, post fixed in cold 1% osmic acid and dehydrated in graded alcohol. Specimens were transferred from alcohol to a series of increasing concentrations of ethyl alcohol and amyl acetate. The tissue was then critical point dried, secured to aluminum stubs and coated with gold, approximately 150A thick on a rotating stage in a vacuum evaporator. The specimens were then studied with the Kent-Cambridge S4-10 Scanning Electron Microscope at an accelerating voltage of 20KV.

Surgical treatment strategies for secondary peritonitis: Outcome in 278 patients

2001 ◽  
Vol 120 (5) ◽  
pp. A401-A401
Author(s):  
M BOERMEESTER ◽  
E BELT ◽  
B LAMME ◽  
M LUBBERS ◽  
J KESECIOGLU ◽  
...  
Keyword(s):  
Surgical Treatment ◽  
Treatment Strategies ◽  
Secondary Peritonitis
Sign in / Sign up

Export Citation Format

Share Document