Assessment of Functional Visual Acuity in Patients with Blepharospasm

Not Applicable

Recruiting

• Conditions: blepharospasm

• Registration Number: JPRN-UMIN000041009
• Lead Sponsor: Miyata Eye Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-07-06
• Last Update Posted: 17 October 2023
• Study Completion: 2025-06-30

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

Not provided

Exclusion Criteria

1) Symptomatic eyelid spasm Patients with a history of Parkinson's disease, progressive supranuclear palsy, etc. 2) History of botulinum toxin treatment within 6 months prior to survey. 3) Patients with systemic neuromuscular junction disorders. Myasthenia gravis, Lambert-Eaton syndrome, amyotrophic lateral sclerosis, etc. 4) Patients with cerebrovascular disease with paralysis 5) Patients with facial nerve palsy 6) Patients with glaucoma or ocular hypertension under treatment 7) Patients with active uveitis 8) Patients with corneal and conjunctival diseases, excluding dry eyes 9) Patients with macular diseases (e.g. age-related macular degeneration, epiretinal membrane, etc.) 10) Patients with retinal diseases (e.g., retinal vascular disorder, retinitis pigmentosa, myopic changes, etc.) 11)Patients with intense myopia greater than -6D 12) Other patients who are deemed inappropriate by the physician, such as those with systemic or ophthalmic diseases

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
functional visual acuity

Secondary Outcome Measures

Name	Time	Method
visual acuity, subjective manifest refraction, intraocular pressure, assessment of corneal epithelial fluorescein staining (NEI score), tear film break up time (BUT), dry eye questionnaire-5 (DEQ-5), blepharospasm disability index (BSDI), Jancovic rating scale (JRS)