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Test two of your 5 main senses

Here you can download and test 2 of your 5 senses

Check your hearing

Early detection of hearing loss is crucial for its effective rehabilitation. In order to ensure that hearing loss is noticed as early as possible, all people should check their hearing from time to time, especially those who are at a higher risk of hearing loss. They include people who often listen to loud music, work in noisy places, use medicines that are harmful to hearing, or who are above 60 years old. In order to facilitate hearing checks, WHO has developed a mobile and web-based software application for hearing screening.

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The hearWHO app is based on validated digits-in-noise technology. This app gives the general public access to a hearing screener to check their hearing status and monitor it over time. The easy to use app clearly display the users’ results and keeps a personalized track record of their hearing status over time.

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The app is especially recommended for those who commonly listen to loud music over personal audio devices. It can also be used by health workers to screen people in the community for hearing loss and refer them for diagnostic testing if they fail the screening.

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WHO has been guided by an advisory group consisting of: Dr Jackie Clark, Dr Deborah Ferrari, Dr Cas Smits and Dr De Wet Swanepoel in the development of this app.

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Compatibility: iOS and Android devices

Languages: English, Dutch, Mandarin, Russian and Spanish

Check your vision

Visual acuity is the most common assessment of visual function. It is a simple, non-invasive measure and critical to determine the presence of vision impairment. Many people with vision impairment are unaware and accessibility of visual acuity testing is a challenge. Fortunately, most cases of vision impairment can be prevented or addressed. Regular visual acuity checks can ensure that vision impairment is identified at the earliest so that you can take action to continue enjoying your sight.

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WHOeyes is a free, population-facing mobile software application (an app):

  • checks near visual acuity,

  • checks distance visual acuity,

  • is language agnostic (uses the tumbling E chart),

  • provides educational messages on how the individuals can protect their eyes.

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The principle of WHOeyes is based on how an eye care professional would assess visual acuity using a conventional chart in a clinical setting. The accuracy and usability of the app were tested in three separate research studies. WHOeyes is suitable for anyone aged over 8 years.

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WHOeyes is available for both iOS and Android mobile operating systems and is compatible with mobile devices, such as smartphones and tablets. The app is available in the 6 UN languages: Arabic, Chinese, English, French, Russian and Spanish. WHOeyes was developed in collaboration with the Centre for Eye Research Australia (CERA), a WHO collaborating centre.

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WHOeyes does not replace the need for regular eye checks by an eye care professional, even if your vision is good.

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