Clinical Study
Surgical Outcome of Medial Rectus Resection in Recurrent Exotropia: A Novel Surgical Formula
Table 3
Examples for calculating amount of MR muscle resection.
| Amount of exotropia (PD) | Unilateral or bilateral | Total amount of MR muscle resection (5 PD per 1 mm + 0.5 mm per muscle resected) | Total MR muscle resection per eye (mm) |
| 55 | Bilateral | 11 + 1.0 mm | 6 | 40 | Bilateral | 8 + 1.0 mm | 4.5 | 20 | Unilateral | 4 + 0.5 mm | 4.5 | 15 | Unilateral | 3 + 0.5 mm | 3.5 |
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PD: prism dioptres, MR: medial rectus.
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