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ORIGINAL ARTICLE
Year : 2020  |  Volume : 32  |  Issue : 3  |  Page : 263-267

Functional blindness: Blepharospasm with apraxia of eyelid opening


Eye Clinic, Kartal Research and Training Hospital, Istanbul, Turkey

Correspondence Address:
Dr. Titap Yazicioglu
Konaklar mh. Sebboy Sok. Petekler Sit. G/B D: 18, Yenilevent, Istanbul
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/kjo.kjo_42_20

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Purpose: The purpose was to evaluate the effectiveness of protractor myectomy surgery in patients with severe blepharospasm whose daily life is severely impaired. Materials and Methods: Records of fifty patients with benign, essential blepharospasm were examined retrospectively and seven were included in the study. All patients underwent a complete ophthalmological and neurological examination. The severity and frequency of spasm was determined by Jankovic Rating Scale, ranging from 0 to 4, and six daily activities were determined by Blepharospasm Disability Index. The primary indication for protractor myectomy was poor response to serial botulinum toxin injections. The main outcome measure was based on whether the spasms were fully healed or the need for additional botox application. Results: Fourteen eyes of seven patients with significant functional disability were included in the study. Excessive blinking and visual disability were the most common symptoms seen in all patients, and all had previously used one or more medications. Myectomy surgery was performed in all patients who were resistant to serial botulinum toxin injections. Of the 14 eyelids, 85.7% showed resolution of spasms and no longer required botulinum toxin treatment following surgery. One patient with keratitis sequelae and dry eye was given botulinum 1 month after the surgery. One patient with residual blepharospasm in the lower eyelid underwent lower eyelid myectomy and blepharoplasty. Transient periorbital edema, hematoma, and echymosis developed following surgery. The patients were followed up for 2 years, and excellent cosmetic result with no contracture was observed in all patients. Conclusion: Protractor myectomy is an effective treatment modality in cases of blepharospasm with severe functional disability.


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