June 2021
Volume 62, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2021
Comparison of the illness perception between age-related macular degeneration and glaucoma patients living in a middle-income country
Author Affiliations & Notes
  • Caroline Schiave Germano
    Ophthalmology, Irmandade da Santa Casa de Misericordia de Sao Paulo, Sao Paulo, SP, Brazil
  • Patrícia Asperti Ottaiano
    Ophthalmology, Irmandade da Santa Casa de Misericordia de Sao Paulo, Sao Paulo, SP, Brazil
  • Renato Maia Maccione
    Ophthalmology, Irmandade da Santa Casa de Misericordia de Sao Paulo, Sao Paulo, SP, Brazil
  • Kenzo S Tomishige
    Ophthalmology, Irmandade da Santa Casa de Misericordia de Sao Paulo, Sao Paulo, SP, Brazil
  • Niro Kasahara
    Ophthalmology, Irmandade da Santa Casa de Misericordia de Sao Paulo, Sao Paulo, SP, Brazil
  • Footnotes
    Commercial Relationships   Caroline Germano, None; Patrícia Ottaiano, None; Renato Maccione, None; Kenzo Tomishige, None; Niro Kasahara, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2021, Vol.62, 307. doi:
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      Caroline Schiave Germano, Patrícia Asperti Ottaiano, Renato Maia Maccione, Kenzo S Tomishige, Niro Kasahara; Comparison of the illness perception between age-related macular degeneration and glaucoma patients living in a middle-income country. Invest. Ophthalmol. Vis. Sci. 2021;62(8):307.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : Once diagnosed with a disease, patients develop organized patterns of beliefs about their condition. Negative illness perceptions can lead to poor recovery and increased healthcare use regardless of objective measures of disease severity. This topic has not been extensively studied in patients with eye diseases especially in low-middle income countries. Individuals’ perceptions vary across different populations and affect coping styles. This cross-sectional, case-control study aimed to compare the illness perception between primary open-angle glaucoma (POAG) and age-related macular degeneration (AMD) Brazilian patients.

Methods : Patients with AMD, POAG, and normal controls underwent a complete eye examination including measurement of best-corrected visual acuity, biomicroscopy, tonometry, eye fundus evaluation, and all participants answered the Brief Illness Perception Questionnaire (Brief IPQ) to assess mental defeat. The Brief IPQ has 9 items rated using a 0-to-10 response scale. Five of the items assess cognitive illness representations: consequences, timeline, personal control, treatment control, and identity. Two of the items assess emotional representations: concern and emotions. One item assesses illness comprehensibility. The summed score was compared among the groups with the ANOVA test.

Results : The sample comprised 48 patients with AMD, 56 with POAG, and 53 controls. All groups were matched for age, gender, ethnic distribution, and comorbidites. Both AMD and POAG patients scored higher than normal controls (50.4 ± 10.5, 49.5 ± 14.4, and 10.7 ± 17.6, respectively, P<0.000). The difference between AMD and POAG did not reach statistical significance (Tukey HSD P = 0.978).

Conclusions : Despite clinically and pathogenically different diseases, POAG and AMD patients had similar illness perceptions in a cohort of patients who live in a middle-income country. These results can help patients to take specific actions to regulate their emotions and improve the treatment outcome of their illness.

This is a 2021 ARVO Annual Meeting abstract.

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