Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Tick on Eyelid. Pete Andrews, Royal Surrey County Hospital NHS Foundation Trust. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/N0038228/full/800%2C/0/default.jpg)
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Tick on Eyelid. Pete Andrews, Royal Surrey County Hospital NHS Foundation Trust. Source: Wellcome Collection.