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Association between Autism Spectrum Disorder (ASD) and vision problems. A systematic review and meta-analysis

Association between Autism Spectrum Disorder (ASD) and vision problems. A systematic review and meta-analysis
Association between Autism Spectrum Disorder (ASD) and vision problems. A systematic review and meta-analysis

Aim: to conduct a systematic review and meta-analysis assessing whether vision and/or eye disorders are associated with Autism Spectrum Disorder (ASD). 

Method: based on a pre-registered protocol (PROSPERO: CRD42022328485), we searched PubMed, Web of Knowledge/Science, Ovid Medline, Embase and APA PsycINFO up to 5 th February 2022, with no language/type of document restrictions. We included observational studies 1) reporting at least one measure of vision in people of any age with a diagnosis of ASD based on DSM or ICD criteria, or ADOS; or 2) reporting the prevalence of ASD in people with and without vision disorders. Study quality was assessed with the Appraisal tool for Cross-Sectional Studies (AXIS). Random-effects meta-analyses were used for data synthesis. 

Results: we included 49 studies in the narrative synthesis and 46 studies in the meta-analyses (15,629,159 individuals distributed across multiple different measures). We found meta-analytic evidence of increased prevalence of strabismus (OR = 4.72 [95% CI: 4.60, 4.85]) in people with versus those without ASD (non-significant heterogeneity: Q = 1.0545, p = 0.7881). We also found evidence of increased accommodation deficits (Hedge’s g = 0.68 [CI: 0.28, 1.08]) (non-significant heterogeneity: Q = 6.9331, p = 0.0741), reduced peripheral vision (−0.82 [CI: −1.32, −0.33]) (non-significant heterogeneity: Q = 4.8075, p = 0.4398), reduced stereoacuity (0.73 [CI: −1.14, −0.31]) (non-significant heterogeneity: Q = 0.8974, p = 0.3435), increased color discrimination difficulties (0.69 [CI: 0.27,1.10]) (non-significant heterogeneity: Q = 9.9928, p = 0.1890), reduced contrast sensitivity (0.45 [CI: −0.60, −0.30]) (non-significant heterogeneity: Q = 9.9928, p = 0.1890) and increased retinal thickness (=0.29 [CI: 0.07, 0.51]) (non-significant heterogeneity: Q = 0.8113, p = 0.9918) in ASD. 

Discussion: ASD is associated with some self-reported and objectively measured functional vision problems, and structural alterations of the eye, even though we observed several methodological limitations in the individual studies included in our meta-analyses. Further research should clarify the causal relationship, if any, between ASD and problems of vision and if problems of vision during early life. PROSPERO registration: CRD42022328485.

1359-4184
Perna, John
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Bellato, Alessio
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Ganapathy, Preethi S.
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Solmi, Marco
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Zampieri, Andrea
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Faraone, Stephen V.
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Cortese, Samuele
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Perna, John
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Bellato, Alessio
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Ganapathy, Preethi S.
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Solmi, Marco
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Zampieri, Andrea
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Faraone, Stephen V.
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Cortese, Samuele
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Perna, John, Bellato, Alessio, Ganapathy, Preethi S., Solmi, Marco, Zampieri, Andrea, Faraone, Stephen V. and Cortese, Samuele (2023) Association between Autism Spectrum Disorder (ASD) and vision problems. A systematic review and meta-analysis. Molecular Psychiatry. (doi:10.1038/s41380-023-02143-7).

Record type: Article

Abstract

Aim: to conduct a systematic review and meta-analysis assessing whether vision and/or eye disorders are associated with Autism Spectrum Disorder (ASD). 

Method: based on a pre-registered protocol (PROSPERO: CRD42022328485), we searched PubMed, Web of Knowledge/Science, Ovid Medline, Embase and APA PsycINFO up to 5 th February 2022, with no language/type of document restrictions. We included observational studies 1) reporting at least one measure of vision in people of any age with a diagnosis of ASD based on DSM or ICD criteria, or ADOS; or 2) reporting the prevalence of ASD in people with and without vision disorders. Study quality was assessed with the Appraisal tool for Cross-Sectional Studies (AXIS). Random-effects meta-analyses were used for data synthesis. 

Results: we included 49 studies in the narrative synthesis and 46 studies in the meta-analyses (15,629,159 individuals distributed across multiple different measures). We found meta-analytic evidence of increased prevalence of strabismus (OR = 4.72 [95% CI: 4.60, 4.85]) in people with versus those without ASD (non-significant heterogeneity: Q = 1.0545, p = 0.7881). We also found evidence of increased accommodation deficits (Hedge’s g = 0.68 [CI: 0.28, 1.08]) (non-significant heterogeneity: Q = 6.9331, p = 0.0741), reduced peripheral vision (−0.82 [CI: −1.32, −0.33]) (non-significant heterogeneity: Q = 4.8075, p = 0.4398), reduced stereoacuity (0.73 [CI: −1.14, −0.31]) (non-significant heterogeneity: Q = 0.8974, p = 0.3435), increased color discrimination difficulties (0.69 [CI: 0.27,1.10]) (non-significant heterogeneity: Q = 9.9928, p = 0.1890), reduced contrast sensitivity (0.45 [CI: −0.60, −0.30]) (non-significant heterogeneity: Q = 9.9928, p = 0.1890) and increased retinal thickness (=0.29 [CI: 0.07, 0.51]) (non-significant heterogeneity: Q = 0.8113, p = 0.9918) in ASD. 

Discussion: ASD is associated with some self-reported and objectively measured functional vision problems, and structural alterations of the eye, even though we observed several methodological limitations in the individual studies included in our meta-analyses. Further research should clarify the causal relationship, if any, between ASD and problems of vision and if problems of vision during early life. PROSPERO registration: CRD42022328485.

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PernaBellato_Manuscript_ASD vision_R1_cleaned (3) - Accepted Manuscript
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Accepted/In Press date: 16 June 2023
e-pub ahead of print date: 26 July 2023
Additional Information: Correction Notice: A correction has been attached to this output at: https://doi.org/10.1038/s41380-023-02212-x Funding Information: In the past year, SVF received income, potential income, travel expenses continuing education support and/or research support from Aardvark, Aardwolf, Akili, Atentiv, Corium, Genomind, Ironshore, Medice, Noven, Otsuka, Sandoz, Sky Therapeutics, Supernus, Tris, and Vallon. With his institution, he has US patent US20130217707 A1 for the use of sodium-hydrogen exchange inhibitors in the treatment of ADHD. In previous years, he received support from: Alcobra, Arbor, Aveksham, Axsome, CogCubed, Eli Lilly, Enzymotec, Impact, Janssen, KemPharm, Lundbeck/Takeda, Shire/Takeda, McNeil, NeuroLifeSciences, Neurovance, Novartis, Pfizer, Rhodes, Shire, and Sunovion. He also receives royalties from books published by Guilford Press: Straight Talk about Your Child’s Mental Health; Oxford University Press: Schizophrenia: The Facts; and Elsevier: ADHD: Non-Pharmacologic Interventions. In addition, he is the program director of www.adhdinadults.com . SVF is supported by the European Union’s Horizon 2020 research and innovation programme under grant agreement No 965381; NIMH grants U01AR076092-01A1, 1R21MH1264940, R01MH116037; 1R01NS128535 – 01; Oregon Health and Science University, Otsuka Pharmaceuticals, Noven Pharmaceuticals Incorporated, and Supernus Pharmaceutical Company. SC declares honoraria and reimbursement for travel and accommodation expenses for lectures from the following non-profit associations: Association for Child and Adolescent Central Health (ACAMH), Canadian ADHD Alliance Resource (CADDRA), and British Association of Pharmacology (BAP), for educational activity on ADHD. All other authors declare no competing interests.

Identifiers

Local EPrints ID: 483429
URI: http://eprints.soton.ac.uk/id/eprint/483429
ISSN: 1359-4184
PURE UUID: fc55acbe-c544-4ef4-adf8-34b219e194e9
ORCID for Alessio Bellato: ORCID iD orcid.org/0000-0001-5330-6773
ORCID for Samuele Cortese: ORCID iD orcid.org/0000-0001-5877-8075

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Date deposited: 30 Oct 2023 18:03
Last modified: 18 Mar 2024 03:31

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Contributors

Author: John Perna
Author: Alessio Bellato ORCID iD
Author: Preethi S. Ganapathy
Author: Marco Solmi
Author: Andrea Zampieri
Author: Stephen V. Faraone
Author: Samuele Cortese ORCID iD

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