| Question | Answer | Article | |
| What are the organisms seen in the photograph? | These organisms were found in the eye of a marine fish. They are metacercariae of the eye fluke (Diplostomum sp.). |
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| With what clinical lesions are they associated? | As its common name suggests, this organism has a predilection for the eye and may cause cataracts and blindness. The life cycle is completed when the secondary host in which the metacercariae are encysted is eaten by the specific primary host higher up the food chain. |
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