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  2. List of herbs with known adverse effects - Wikipedia

    en.wikipedia.org/wiki/List_of_herbs_with_known...

    This is a partial list of herbs and herbal treatments with known or suspected adverse effects, either alone or in interaction with other herbs or drugs. Non-inclusion of an herb in this list does not imply that it is free of adverse effects.

  3. Dilated fundus examination - Wikipedia

    en.wikipedia.org/wiki/Dilated_fundus_examination

    Dilated fundus exam is the preferred method of diagnosis, as undilated exam may be too limited to visualize lesions or neovascularization that are more peripheral. Glaucoma: A group of eye diseases that can cause vision loss due to damage to the optic nerve, generally from increased intraocular pressure. Changes on ophthalmologic exam include ...

  4. Red reflex - Wikipedia

    en.wikipedia.org/wiki/Red_reflex

    Red reflex. The red reflex (also called the fundal reflex) refers to the reddish-orange reflection of light from the back of the eye, or fundus, observed when using an ophthalmoscope or retinoscope. It is important to note that the red reflex may be absent or poorly visible in people with dark eyes, and may even appear yellow in Asians or green ...

  5. Warby Parker's vision test app can help renew your glasses ...

    www.engadget.com/warby-parker-virtual-vision...

    The update isn't automatic. An eye doctor will review the results and give you a verdict within two days. If you're seeing well enough, you'll just need to pay $15 to renew your prescription. If ...

  6. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    Visual acuity ( VA) commonly refers to the clarity of vision, but technically rates an animal 's ability to recognize small details with precision. Visual acuity depends on optical and neural factors. Optical factors of the eye influence the sharpness of an image on its retina.

  7. VR sickness happens. Here’s how to avoid and treat it.

    techcrunch.com/2024/02/15/vr-sickness-happens...

    This helps provide a sense of stability by allowing you to see more of the space around you. Turn on the Reduce Motion setting on your device: Go to Settings > Accessibility > Motion, then select ...

  8. Contoura Vision - Wikipedia

    en.wikipedia.org/wiki/Contoura_vision

    Contoura Vision is the only technology where consistent success beyond 20/20 vision has been achieved in the majority of patients. More than 40% of the patients that were evaluated were able to read one line on the visual acuity chart more than a person with 20/20 vision, and 13.5% could read two additional lines. [citation needed]

  9. Scientists achieve X-ray vision with safe, visible light

    www.engadget.com/2015-02-12-visible-light-super...

    It actually can pass through things like paint and human tissue, which has powerful implications for medical research and other fields. Regular lightwaves could one day replace X-rays or even ...

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