Universität zu Köln

Gietzelt, Caroline ORCID: 0000-0002-9145-7385, Fricke, Julia, Neugebauer, Antje and Hedergott, Andrea (2022). Prism adaptation test before strabismus surgery in patients with decompensated esophoria and decompensated microesotropia. Int. Ophthalmol., 42 (7). S. 2195 - 2205. DORDRECHT: SPRINGER. ISSN 1573-2630

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Abstract

Purpose To evaluate the effect of Prism adaptation test (PAT) on the angle of squint in decompensated esophoria (decEPH) and decompensated microesotropia (decMET). Methods In this single-center retrospective study we reviewed the medical records of patients with the diagnosis of decEPH or decMET, aged at least 12 years, who were treated by strabismus surgery for the first time. The maximum Angle of squint (AOS) for far (F) and near (N) fixation and PAT results before surgery, as well as AOS (F) and AOS (N) after surgery and results of binocular function tests were considered. PAT included wearing a prism based on the largest angle for over 60 min. Results 100 patients (mean age 37 +/- 17 years) were included in the decEPH group, 82 patients (mean age 30 +/- 13 years) in the decMET group. For decEPH, before surgery AOS was 25.5 +/- 8.8 pdpt (F) and 23.5 +/- 9.8 pdpt (N). During PAT the AOS increased significantly by 2.7 +/- 4.3 to 28.2 +/- 8.6 pdpt (F) and by 4.9 +/- 4.5 to 28.3 +/- 9.5 pdpt (N). Altogether, in 82% of decEPH patients AOS (F) and/ or AOS (N) in- or decreased by at least 3 pdpt. For decMET, before surgery AOS was 28.6 +/- 10.8 pdpt for far (F) and 30.9 +/- 11.8 pdpt for near fixation (N). During PAT the AOS increased significantly by 4.2 +/- 5.8 to 32.5 +/- 9.5 pdpt (F) and by 3.7 +/- 6.1 to 34.4 +/- 9.5 pdpt (N). Altogether, in 51% of decMET patients, AOS (F) and/ or AOS (N) increased by at least 10 pdpt, therefore more than 5 degrees which would have been maximally expected from mictrotropia, or decreased by at least 3 pdpt. Conclusions The Prism adaptation test (PAT) showed remarkable changes in AOS in both decEPH and decMET. In patients with decEPH, the preoperative assessment of the true AOS under PAT reflects a pivotal requirement for successful strabismus surgery, as 82% had dose relevant angle changes >= 3 pdpt. For patients with decMET the preoperative prism adaptation test is especially of diagnostic value, but also 51% of decMET patients had changes in AOS beyond the expected microtropic angle (>= 10 pdpt) or even a dose relevant angle decrease (>= 3pdpt).

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Gietzelt, Caroline UNSPECIFIED orcid.org/0000-0002-9145-7385 UNSPECIFIED Fricke, Julia UNSPECIFIED UNSPECIFIED UNSPECIFIED Neugebauer, Antje UNSPECIFIED UNSPECIFIED UNSPECIFIED Hedergott, Andrea UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-658904
DOI:	10.1007/s10792-022-02219-3
Journal or Publication Title:	Int. Ophthalmol.
Volume:	42
Number:	7
Page Range:	S. 2195 - 2205
Date:	2022
Publisher:	SPRINGER
Place of Publication:	DORDRECHT
ISSN:	1573-2630
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ACQUIRED COMITANT ESOTROPIA; SURGICAL-MANAGEMENT; EFFICACY Multiple languages Ophthalmology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/65890