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Stickler Syndrome (SS): Laser Prophylaxis for Retinal Detachment (Modified Ora Secunda Cerclage, OSC/SS)

Authors Morris RE, Parma ES, Robin NH, Sapp MR, Oltmanns MH, West MR, Fletcher DC, Schuchard RA, Kuhn F

Received 29 September 2020

Accepted for publication 11 November 2020

Published 6 January 2021 Volume 2021:15 Pages 19—29

DOI https://doi.org/10.2147/OPTH.S284441

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Video abstract presented by Robert E Morris.

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Robert E Morris,1– 4 Edward Scott Parma,5 Nathaniel H Robin,6 Mathew R Sapp,1– 4 Matthew H Oltmanns,1– 4 Matthew R West,1– 4 Donald C Fletcher,7,8 Ronald A Schuchard,9 Ferenc Kuhn2,10,11

1Retina Specialists of Alabama, Birmingham, AL, USA; 2Helen Keller Foundation for Research and Education, Birmingham, AL, USA; 3University of Alabama at Birmingham (UAB), Department of Ophthalmology, Birmingham, AL, USA; 4UAB Callahan Eye Hospital, Birmingham, AL, USA; 5Retina Specialists of Alabama Montgomery, Montgomery, AL, USA; 6UAB Department of Genetics, Birmingham, AL, USA; 7University of Kansas Medical Center, Department of Ophthalmology and KU Eye Center, Kansas City, KS, USA; 8Retina Consultants of Southwest Florida, Ft. Myers, FL, USA; 9Envision Research Institute, Wichita, KS, USA; 10Milos Eye Hospital, Belgrade, Serbia; 11University of Pécs, Department of Ophthalmology, Pécs, Hungary

Correspondence: Robert E Morris
Retina Specialists of Alabama, 2208 University Blvd, Birmingham, AL 35233, USA
Tel +1 (205) 558-2598
Fax +1 (205) 558-2596
Email rmorris@retinanetwork.com

Purpose: To introduce a novel technique of encircling laser prophylaxis (ora secunda cerclage Stickler syndrome, OSC/SS) to prevent rhegmatogenous retinal detachment (RRD) in Stickler syndrome eyes.
Patients and Methods: After first eye RRD at age 50 and at age 18, respectively, a 53-year-old father and his 22-year-old son with type 2 SS (STL2) gave informed consent and underwent OSC/SS prophylaxis, performed in each fellow eye. A 26-year-old STL2 daughter then suffered first eye retinal detachment and similarly chose fellow eye OSC/SS prophylaxis. A second son, 28 years of age with STL2, chose OSC/SS prophylaxis in both eyes.
Results: The three OSC/SS treated fellow eyes have gone 12 years, 11 years, and 8 years without RRD. STL1 and less common STL2 eyes are known to have a similar rate of RRD, and 80% of STL1 fellow eyes develop RRD at a median of 4 years in the absence of prophylaxis. Moreover, five of six (83%) known STL2 family members suffered RRD, only the STL2 son with bilateral OSC/SS remaining bilaterally attached. All five OSC/SS treated eyes (average 8.7 years post-prophylaxis) retained preoperative visual acuity of 20/20 to 20/30, with an average, asymptomatic reduction of meridional field in each eye to 50 degrees. In contrast, in the three eyes having suffered RRD prior to presentation, visual acuity ranged from 20/125 to 8/200 and average meridional field was 29 degrees.
Conclusion: Encircling grid laser (OSC) modified in Stickler eyes to encompass the ora serrata and extend posteriorly to and between the vortex vein ampullae (OSC/SS) is a reasonable RRD prophylaxis option to offer STL1 and STL2 patients as an alternative to no treatment or less effective prophylaxis. Because of rarity and severity, the ultimate proof of safety and efficacy will likely come not from randomized trials, but from a non-randomized, prospective, cohort comparison study of such individual efforts.

Keywords: Stickler syndrome, SS, STL1, STL2, retinal detachment prevention, giant retinal tear, encircling laser prophylaxis, Ora Secunda Cerclage, OSC, OSC/SS

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