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Silicone-eyelid closure to improve vision in deeply amblyopic eyes
Ossama M Hakim1, Yasser Gaber El-Hag, Ahmed Samir
1Magraby Eye Center, Department of Ophthalmology, Zagazig Faculty of Medicine, Madina Munwara, Saudi Arabia.
Insights
Surgical silicone-eyelid closure offers a safe and effective treatment for deep amblyopia in children who did not respond to conventional methods. This innovative technique can restore useful vision in the affected eye.
Area of Science:
- Ophthalmology
- Pediatric ophthalmology
- Surgical innovation
Background:
- Deep amblyopia causes significant monocular visual deficit in children.
- Conventional occlusion therapy often has poor compliance rates in pediatric patients.
- This study investigates a novel occlusion technique for treating amblyopia in non-compliant children.
Purpose of the Study:
- To evaluate the safety and efficacy of surgical silicone-eyelid closure for deep amblyopia.
- To assess the potential of this technique in children with a history of failed amblyopia treatment.
- To provide an alternative management strategy for challenging pediatric amblyopia cases.
Main Methods:
- A prospective study involving 15 children (ages 4-6) with deep amblyopia and poor compliance.
- Surgical silicone-eyelid closure was performed using a double-armed polypropylene suture and a silicone sleeve.
- The procedure involved temporary closure of the non-amblyopic eye for 2-4 weeks.
Main Results:
- Preoperative visual acuity ranged from counting fingers at 1-4 meters.
- Post-procedure, 12 out of 15 patients showed improved visual acuity (20/40 to 20/200).
- Complications included eyelid irritation (6 patients) and suture breakage (2 patients).
Conclusions:
- Silicone-eyelid closure is a safe and effective method for managing deep amblyopia.
- This technique presents a viable option for restoring vision in amblyopic eyes.
- It offers a chance for a lifetime of useful vision for affected children.
Background:
Deep amblyopia is a recognized cause of monocular visual deficit in children with a high rate of poor compliance with conventional occlusion therapy. This study evaluates a new occlusion technique that can be used for children with failed amblyopia treatment.
Methods:
In a prospective study, surgical silicone-eyelid closure was done for 15 children (age: 4 to 6 years; median age: 5.2 years) with a history of deep amblyopia and poor compliance with occlusion methods. In this technique, the good eye was closed by passing one limb of a double armed 5-0 polypropylene suture from one eyelid margin through a silicone sleeve and through the corresponding eyelid margin. The other polypropylene limb was passed behind the silicone sleeve and then through the opposite eyelid margin to form a barrier between the sleeve and the cornea. After 2 to 4 weeks, the suture was cut and the silicone sleeve was removed.
Results:
Preoperative visual acuity ranged between counting fingers at 1 meter and counting fingers at 4 meters. Following eyelid closure, visual acuity was improved to between 20/40 and 20/200 for 12 patients, whereas three patients did not improve. Complications were seen in 8 patients: marginal eyelid irritation and erythema in 6 and suture break in 2.
Conclusion:
Silicone-eyelid closure can be used safely and effectively for management of deep amblyopia. This technique affords a good option to restore vision in a deeply amblyopic eye and grants the child a lifetime of useful vision.
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