| Metadata | |
|---|---|
| ID | DOID:13473 |
| Name | central pterygium |
| Definition | A progressive peripheral pterygium that is characterized by progressive fleshy outpouching of conjunctival growth that has grown to involve the visual axis and has_symptom fleshy bumps on the surface of the eye, foreign body sensation, decreased vision, and astigmatism. Central pterygiums are more common in people prone to ocular surface injury, such as those living in sunny, hot, and dry climates. Central pterygiums progress from pinguecula. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5340105/, https://www.merckmanuals.com/professional/eye-disorders/conjunctival-and-scleral-disorders/pinguecula-and-pterygium |
| Xrefs |
SNOMEDCT_US_2023_03_01:193882008 |
| Parent Relationships | |
| Subclass Logical Relationships |
has symptom some loss of vision disease has feature some astigmatism |