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  • Title: Socket expansion with conformers in congenital anophthalmia and microphthalmia.
    Author: Watanabe A, Singh S, Selva D, Tong JY, Ogura T, Kajiyama S, Sotozono C.
    Journal: J AAPOS; 2022 Dec; 26(6):318.e1-318.e6. PubMed ID: 36257503.
    Abstract:
    PURPOSE: To report the outcomes of acrylic conformer-assisted socket expansion in congenital anophthalmia and microphthalmia. METHODS: In this noncomparative, interventional case series, the medical records of 24 eyes of 18 consecutive patients with congenital anophthalmia (n = 3), clinical anophthalmia (n = 8), and microphthalmia (n = 13) were reviewed retrospectively. Twelve cases were unilateral; 6 were cases bilateral (3 clinical anophthalmia and 3 microphthalmia). Serial socket expansion with progressively larger acrylic conformers was managed in clinic. Horizontal palpebral fissure (HPF) width was graded as good (final HPF ≥20 mm, or interocular difference ≤2 mm for unilateral cases), fair (17-19 mm, or 3 mm interocular difference), or poor (<17 mm, or ≥4 mm difference). RESULTS: The mean initial lid lengths in anophthalmia, clinical anophthalmia, and microphthalmia were 11.0, 12.4, and 16.9, increasing to 21.0, 19.9, and 22.2, respectively, over a mean period of 51 months. Mean age at the initiation of treatment was 19 months (range, 1-78). Percentage increases in lid length were 90.9%, 61.2%, and 31.3% in anophthalmia, clinical anophthalmia, and microphthalmia, respectively, with an average 7 conformer exchanges. For unilateral cases, the mean final lid length of involved eyes was 22.3 mm, comparable to 23.5 mm in normal contralateral eyes. Good outcomes were achieved in 18 orbits (75%); fair outcomes, in 6 (25%) cases. None of the sockets had poor expansion at final follow-up. All cases had good cosmesis with acceptable prosthesis wear at last visit. CONCLUSIONS: In our patient cohort, good socket expansion was achieved with acrylic conformers alone in congenital anophthalmia and microphthalmia, with acceptable prosthesis wear.
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