| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Haidinger brushes | Medicine | A transient, entoptic phenomenon observed when polarized light, particularly blue light from a large homogeneous surface, is viewed. It consists of a pair of yellow, brushlike shapes which appear to radiate from the point of fixation. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||