FIELD: physics.
SUBSTANCE: device for marking the pupil center on the rim demo-lens consists of a body with a longitudinal opening and a conical tip-sleeve and a slide rod, at the end of which the millimeter scale is fixed. The millimeter scale is made with an oval opening in the center and fixed in the opening center by the sleeve with a marker and a possibility of its periodic replacement.
EFFECT: decreasing the probability of errors and simplifying the work procedures of an optometrist.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD AND DEVICE FOR MONOCULAR MEASUREMENT OF INTERPUPILLARY DISTANCE | 2013 |
|
RU2550011C1 |
| ANGULAR FRAME OF SPECTACLE HOLDER | 2019 |
|
RU2707838C1 |
| DEVICE FOR DETERMINING POSITION OF CENTERS OF EYE PUPILS | 0 |
|
SU1741775A1 |
| METHOD FOR ELIMINATING INTOLERANCE TO GLASSES | 2005 |
|
RU2297653C1 |
| PROGRESSIVE OPHTHALMIC LENSES | 2015 |
|
RU2707862C2 |
| DROZDOV'S GLASSES (GLASSES FOR PREVENTION OF GLAUCOMA) | 2019 |
|
RU2739553C2 |
| DEVICE FOR DETERMINING VISUAL ACUITY | 2019 |
|
RU2723598C1 |
| MULTIFOCAL OPHTHALMIC LENSES, TRAINING METHOD FOR ACCOMMODATIVE AND VERGENCE SYSTEMS BASED THEREON AND APPARATUS FOR REALISING SAID METHOD | 2010 |
|
RU2481606C1 |
| OPHTALMOLOGICAL MEASURING DEVICE | 2005 |
|
RU2372835C2 |
| METHOD OF MEASURING ANGLE OF STRABISMUS | 2017 |
|
RU2669734C1 |
