scholarly journals Superior Rectus Muscle

2020 ◽  
Author(s):  
Keyword(s):  
Rectus Muscle ◽  
Superior Rectus ◽  
Superior Rectus Muscle

scholarly journals Augmented superior rectus muscle transposition in management of defective ocular abduction

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Mohamed F. Farid ◽  
Ahmed E. M. Daifalla ◽  
Mohamed A. Awwad
Keyword(s):  
Nerve Palsy ◽  
Rectus Muscle ◽  
Muscle Transposition ◽  
Primary Position ◽  
Superior Rectus ◽  
Sixth Nerve Palsy ◽  
Abnormal Head ◽  
Duane Retraction Syndrome ◽  
Sixth Nerve ◽  
Superior Rectus Muscle

Abstract Background Superior rectus muscle transposition (SRT) is one of the proposed transposition techniques in the management of defective ocular abduction secondary to chronic sixth nerve palsy and esotropic Duane retraction syndrome (Eso-DRS). The aim of the current study is to report the outcomes of augmented SRT in treatment of Eso-DRS and chronic sixth nerve palsy. Methods a retrospective review of medical records of patients with Eso-DRS and complete chronic sixth nerve palsy who were treated by augmented full tendon SRT combined with medial rectus recession (MRc) when intraoperative forced duction test yielded a significant contracture. Effect on primary position esotropia (ET), abnormal head posture (AHP), limitation of ocular ductions as well as complications were reported and analyzed. Results a total of 21 patients were identified: 10 patients with 6th nerve palsy and 11 patients with Eso-DRS. In both groups, SRT was combined with ipsilateral MRc in 18 cases. ET, AHP and limited abduction were improved by means of 33.8PD, 26.5°, and 2.6 units in 6th nerve palsy group and by 31.1PD, 28.6°, and 2 units in Eso-DRS group respectively. Surgical success which was defined as within 10 PD of horizontal orthotropia and within 4 PD of vertical orthotropia was achieved in 15 cases (71.4%). Significant induced hypertropia of more than 4 PD was reported in 3 patients (30%) and in 2 patients (18%) in both groups, respectively. Conclusion augmented SRT with or without MRc is an effective tool for management of ET, AHP and limited abduction secondary to sixth nerve palsy and Eso-DRS. However, this form of augmented superior rectus muscle transposition could result in high rates of induced vertical deviation.

How can infection and other complications of cataract surgery be avoided? Axenfeld (Klin. Monatsbl. f. Aug., 1925, Bd. 75)

1926 ◽  
Vol 22 (12) ◽  
pp. 1391-1391
Author(s):  
V. Adamyuk
Keyword(s):  
Intraocular Pressure ◽  
Cataract Surgery ◽  
Vitreous Body ◽  
Rectus Muscle ◽  
Superior Rectus ◽  
Better Than ◽  
Superior Rectus Muscle

The author particularly recommends, as an improvement of this operation, the use of a suture-carrier on the superior rectus muscle. This protects against various complications and especially against vitreous body prolapse, reducing intraocular pressure and immobilizing the eye better than other methods of fixation.

scholarly journals Superior rectus muscle insertion injury following cosmetic upper lid blepharoplasty: a case report

2018 ◽  
Vol 18 (1) ◽  
Author(s):  
Ju-Yeun Lee ◽  
Kyuyeon Cho ◽  
Daye Diana Choi ◽  
Kyung-Ah Park ◽  
Kyung In Woo ◽  
...  
Keyword(s):  
Case Report ◽  
Rectus Muscle ◽  
Superior Rectus ◽  
Muscle Insertion ◽  
Upper Lid ◽  
Superior Rectus Muscle

Expression of sarcoplasmic reticulum Ca(2+)-ATPase isoforms in marlin and swordfish muscle and heater cells

1996 ◽  
Vol 271 (1) ◽  
pp. R262-R275 ◽  
Author(s):  
A. Tullis ◽  
B. A. Block
Keyword(s):  
Sarcoplasmic Reticulum ◽  
Fiber Type ◽  
Direct Sequencing ◽  
Rectus Muscle ◽  
Superior Rectus ◽  
Cardiac Muscles ◽  
Slow Twitch ◽  
Fast Twitch ◽  
Sarcoplasmic Reticulum Calcium ◽  
Superior Rectus Muscle

The superior rectus muscles of marlin, swordfish, sailfish, and spearfish are modified for generating heat rather than force. This study focuses on the sarcoplasmic reticulum calcium-adenosinetriphosphatase (SR Ca(2+)-ATPase) to gain further insight into the muscle fiber type origin of the billfish “heater cell.” Direct sequencing and immunolocalization demonstrated that marlin and swordfish epaxial swimming muscles express two forms of the SR Ca(2+)-ATPase in a fiber type-specific manner; red slow-twitch skeletal and cardiac muscles express the same SERCA2 message, whereas white fast-twitch skeletal muscles express a SERCA1 message. Thus the expression pattern of the SR Ca2+ pump is similar in both billfish and tetrapod muscles. Molecular and immunological studies revealed that billfish heater tissue and superior rectus muscle express both fast and slow SR Ca2+ pump isoforms. Immunohistochemical results suggest that heater cells and most extraocular muscle fibers express the fast SR Ca2+ pump. Expression of the fast SR Ca(2+)-ATPase by heater cells has implications for heater cell origin and thermogenic control.

scholarly journals Detailed Anatomy of the Lateral Rectus Muscle-Superior Rectus Muscle Band

2019 ◽  
Vol 2019 ◽  
pp. 1-4 ◽  
Author(s):  
Yong Seok Nam ◽  
Yooyeon Park ◽  
In-Beom Kim ◽  
Sun Young Shin
Keyword(s):  
Tensile Strength ◽  
Attachment Site ◽  
Rectus Muscle ◽  
Lateral Rectus ◽  
Superior Rectus ◽  
Muscle Band ◽  
Lateral Rectus Muscle ◽  
Orbital Part ◽  
Sagging Eye Syndrome ◽  
Superior Rectus Muscle

Background. To elucidate the detailed anatomy of the lateral rectus muscle-superior rectus muscle (LR-SR) band by cadaver eye investigation. Methods. In total, 48 eyes of 24 cadavers were observed macroscopically. The lateral rectus muscle (LRM) and superior rectus muscle (SRM) were dissected from their origins to their insertions under the dissecting microscope, and the location, width, length, and tensile strength of the LR-SR bands were measured. Results. The LR-SR band is the thick ligament interconnecting LRM pulleys with SRM pulleys. The LR-SR band was covered by the orbital part of the lacrimal gland superiorly, and the intermuscular septum between the LRM and SRM was shown anterior to the LR-SR band. The length of the attachment site between the LR-SR band and the SRM was less at 8.64 ± 1.52 mm (p=0.040), its thickness was thinner at 0.74 ± 0.16 mm (p=0.002), and its tensile strength was weaker at 7.64 ± 1.82 N (p=0.028) compared to the attachment site between the LR-SR band and the LRM. Conclusions. This study revealed the detailed anatomy of the LR-SR band and provided helpful information to understand heavy eye syndrome and sagging eye syndrome.

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