Overview
Convergence spasm, also referred to as accommodative spasm, is a rare binocular vision disorder characterized by involuntary contraction of the ciliary muscle, leading to symptoms such as headaches and blurred vision 14.Diagnosis
Symptoms: Headaches, blurred vision 14.
Clinical Presentation: Often familial, presenting simultaneously in siblings 1.
Diagnostic Tests: Detailed eye examination, including assessment for accommodative spasm 1.
Differential Diagnosis: Distinguish from other causes of ocular discomfort and spasm 12.Management
First-Line Treatments:
- Cycloplegic drops: To relax the ciliary muscle 1.
- Bifocals: To manage refractive errors contributing to spasm 1.
Adjunctive Treatments: Not specifically detailed in provided abstracts.Special Populations
Pediatrics: Recognize familial tendencies and perform thorough eye exams in siblings 1.
Comorbidities: No specific management details provided for comorbidities in the given abstracts.Key Recommendations
Conduct detailed eye examinations for siblings of patients diagnosed with accommodative spasm to identify potential familial cases (Evidence: Expert opinion 1).
Initiate treatment with cycloplegic drops and consider bifocal lenses for symptomatic relief in diagnosed cases (Evidence: Expert opinion 1).
Monitor for side effects, particularly in young patients, when considering prolonged pharmacological interventions (Evidence: Weak 3).References
1 Rutstein RP. Accommodative spasm in siblings: a unique finding. Indian journal of ophthalmology 2010. link
2 Sims C. Masseter spasm after suxamethonium in children. British journal of hospital medicine 1992. link
3 Thomas E, Witt P, Willis M, Morse J. Nifedipine therapy for diffuse esophageal spasm. Southern medical journal 1986. link
4 Panisset A, Pop M. The Panisset-Pop syndrome. Canadian journal of ophthalmology. Journal canadien d'ophtalmologie 1979. link