Summary of the adult onset cyclic strabismus
| Case No | Age of onset(years) | Sex | Cyclic pattern | Duration ofcycles | Angle (Δ) | Related diseases or coexistent conditions | Outcome | References |
|---|---|---|---|---|---|---|---|---|
| *Information provided by Dr Eugene Helveston (personal communication). NA, not available; CPP, cyclic pattern persisted; Δ, prism dioptre; ET, esotropia; XT, exotropia; RHT, right hypertropia; LHT, left hypertropia; OT, orthotropia; RD, retinal detachment; PVR, proliferative vitreoretinopathy; ECCE, extracapsular cataract extraction; PVT, posterior vitrectomy. | ||||||||
| 1 | 34 | Male | 4 days | 3 years | ET 35 | Optic atrophy both eyes, alcohol abuse | No treatment | Frenkel2 |
| 2 | 32 | Female* | 2 days | NA | ET 35 | NA | No treatment, CPP? | Helveston3 |
| 3 | 53 | Female | 2 days | NA | XT 15, RHT 30 | Graves’ disease | OT after muscle surgery | Knapp4 |
| 4 | 55 | Female | 2 days | NA | RHT 25 | Graves’ disease | OT after muscle surgery | Knapp4 |
| 5 | 67 | Female | 2 days | 5 years | ET 25, RHT 8 | RD RE, 360° encircling scleral buckling procedure RE, cyclic mydriasis and ptosis | No treatment, CPP | Troost5 |
| 6 | 34 | Female | 2 days | 9 weeks | LHT 20, XT 10 | Craniofacial surgery for fronto-orbital fibrous dysplasia, left side | OT after muscle surgery | Metz6 |
| 7 | 46 | Female | 2 days | 1 year | ET 12 to 45 | ECCE RE, high myopia RE | Botulinum toxin injection, ET 2Δ with cycle eliminated after muscle surgery | Riordan-Eva7 |
| 8 | 21 | Female | 5 days? | 2 years | ET 25 | RD RE, vitreolensectomy and silicone oil exchange RE | Botulinum toxin injection, CPP | Riordan-Eva7 |
| 9 | 49 | Female | 2 days | 7 years | RHT 15, ET 25 | ECCE RE, RD and PVR RE, PVT and scleral buckling RE, ECCE LE, prophylactic encircling band surgery LE | OT after muscle surgery | Bagheri8 |
| 10 | 57 | Female | 2 days | 1year | ET 30 | Recurrent pterygia in both eyes, | Botulinum toxin injection, cyclic pattern changed, OT after muscle surgery | Present report |









