What should you know about a portable otoscope and ophthalmoscope?

The otoscope is designed for the ear canal and eardrum. An ophthalmoscope uses a light and lenses to help a trained examiner look through the pupil toward structures inside the eye, including the back of the eye. Looking through either instrument requires positioning, focus, and experience; a phone attachment or home view may show only a limited area.

A visible change can have several explanations, while a normal-looking view may miss a problem outside the field of view. Eye symptoms such as blurred vision or pain need to be assessed according to their timing and severity, not only by a photograph.

Read the instructions before use and keep the ear tip clean or disposable as directed. Do not insert the ear attachment forcefully or use it to remove wax. For the eye attachment, avoid shining a bright light into the eye repeatedly, and do not use the instrument as a reason to delay an eye examination.

Write down which eye or ear is affected, when the symptom began, and whether there is pain, discharge, hearing change, vision change, or dizziness. Share the original images with a GP when requesting advice.

Get urgent help for sudden vision loss, severe eye pain, a new curtain or shadow in vision, facial weakness, or a chemical injury. Prompt assessment is also needed for sudden hearing loss, blood or pus from the ear, severe ear pain, or severe dizziness. A device image must not delay emergency care.

Ask which attachment is appropriate for your symptom, whether the device can be used safely in your situation, and whether you need a GP or eye specialist assessment. Clarify how quickly to act if a recording or image looks unusual.