| Part of Speech | Definition | |
| Expression | 1. (Opt.), vision when the image of the object falls directly on the yellow spot (see under Yellow); also, vision by means of rays which are not deviated from their original direction.[Websters]. | |
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Common Expressions: DIRECT VISION
| Expressions | Definition | ||
| Direct vision | (Opt.), vision when the image of the object falls directly on the yellow spot (see under Yellow); also, vision by means of rays which are not deviated from their original direction. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
