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Assessing static balance control improvement following cataract surgery using a smartphone.

Lorrana de Souza Azevedo1, Newton Quintino Feitosa2, Enzo Gabriel Rocha Santos3

  • 1Faculdade de Medicina, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, Brazil.

Digital Health
|January 20, 2025
PubMed
Summary

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Smartphone accelerometers can effectively measure balance improvements after cataract surgery. This technology aids in assessing visual impairment recovery and fall risk reduction in elderly patients.

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Geriatrics

Background:

  • Cataracts are a leading cause of vision loss in older adults, increasing fall risk.
  • Cataract surgery improves vision and balance, but objective balance assessment is crucial.
  • Smartphone accelerometers offer a novel, accessible method for balance evaluation.

Purpose of the Study:

  • To compare static balance control using smartphone accelerometers before and after cataract surgery.
  • To assess the efficacy of cataract removal in improving visual acuity and balance.
  • To explore the utility of inertial sensors in monitoring balance recovery.

Main Methods:

  • 29 participants with bilateral cataracts underwent surgery.
  • Visual acuity and static balance (eyes open/closed) were measured using smartphone accelerometers pre- and post-surgery.
Keywords:
Cataractagingbalance controlcataract surgerysmartphonevisual impairment

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  • Quantitative balance parameters were analyzed and compared.

    • Main Results:

    • Significant improvement in visual acuity was observed post-surgery.
    • Static balance parameters showed significant improvement with eyes open.
    • Limited improvement in balance was noted under closed-eye conditions.

    Conclusions:

    • Smartphone inertial sensors are practical tools for assessing static balance changes due to cataracts.
    • This technology can effectively evaluate balance recovery post-cataract surgery.
    • Smartphone-based balance assessment aids in monitoring visual impairment rehabilitation.