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Aniseikonia in various retinal disorders

  • Retinal Disorders
  • Published:
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Abstract

Purpose

The purpose was to quantify and compare the severity of aniseikonia in patients undergoing vitrectomy for various retinal disorders.

Methods

We studied 357 patients with retinal disorders including epiretinal membrane (ERM), macular hole (MH), cystoid macular edema with branch / central retinal vein occlusion (BRVO-CME / CRVO-CME), diabetic macular edema (DME), macula-off rhegmatogenous retinal detachment (M-off RD), and macula-on RD (M-on RD) as well as 31 normal controls. The amount of aniseikonia was measured using the New Aniseikonia Test preoperatively and at 6 months postoperatively.

Results

Of all patients, 59% presented aniseikonia. Preoperative and postoperative mean aniseikonia were 4.0 ± 4.1% and 3.0 ± 3.6%, respectively. In particular, 68% of patients with ERM had macropsia, and approximately half of MH, RVO-CME, DME, and M-off RD patients had micropsia. Preoperative aniseikonia was significantly severe in ERM than in other disorders. Vitrectomy improved aniseikonia only in MH, while visual acuity was improved in all disorders except CRVO-CME.

Conclusion

More than half of the patients showed aniseikonia preoperatively. A majority of ERM patients exhibited macropsia, whereas MH, RVO-CME, DME, and macula-off RD patients presented micropsia. The aniseikonia score was greatest in ERM patients. In most retinal disorders, surgery significantly improved visual acuity, but not aniseikonia.

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Authors and Affiliations

  1. Department of Ophthalmology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki, 305-8575, Japan

    Fumiki Okamoto, Yoshimi Sugiura, Yoshifumi Okamoto, Takahiro Hiraoka & Tetsuro Oshika

Authors
  1. Fumiki Okamoto
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  2. Yoshimi Sugiura
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  3. Yoshifumi Okamoto
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  4. Takahiro Hiraoka
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  5. Tetsuro Oshika
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Corresponding author

Correspondence to Fumiki Okamoto.

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Funding

No funding was received for this research.

Conflict of Interest

All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Okamoto, F., Sugiura, Y., Okamoto, Y. et al. Aniseikonia in various retinal disorders. Graefes Arch Clin Exp Ophthalmol 255, 1063–1071 (2017). https://doi.org/10.1007/s00417-017-3597-x

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  • DOI: https://doi.org/10.1007/s00417-017-3597-x

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