CA2307279C - Outil de diagnostic optique - Google Patents
Outil de diagnostic optique Download PDFInfo
- Publication number
- CA2307279C CA2307279C CA 2307279 CA2307279A CA2307279C CA 2307279 C CA2307279 C CA 2307279C CA 2307279 CA2307279 CA 2307279 CA 2307279 A CA2307279 A CA 2307279A CA 2307279 C CA2307279 C CA 2307279C
- Authority
- CA
- Canada
- Prior art keywords
- optical
- observer
- patient
- scale
- end wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 136
- 230000000007 visual effect Effects 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 33
- 210000001747 pupil Anatomy 0.000 claims description 31
- 238000011282 treatment Methods 0.000 claims description 9
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 19
- 230000001179 pupillary effect Effects 0.000 description 10
- 208000022749 pupil disease Diseases 0.000 description 8
- 210000003128 head Anatomy 0.000 description 7
- 230000004439 pupillary reactions Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 4
- 230000003340 mental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000001328 optic nerve Anatomy 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000010339 dilation Effects 0.000 description 3
- 230000004064 dysfunction Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 210000001525 retina Anatomy 0.000 description 3
- 206010037532 Pupillary reflex impaired Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003565 oculomotor Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 201000008450 Intracranial aneurysm Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 208000003435 Optic Neuritis Diseases 0.000 description 1
- 206010061323 Optic neuropathy Diseases 0.000 description 1
- 206010038848 Retinal detachment Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 210000003626 afferent pathway Anatomy 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 210000003403 autonomic nervous system Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000003748 differential diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002049 efferent pathway Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 201000006417 multiple sclerosis Diseases 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 210000002589 oculomotor nerve Anatomy 0.000 description 1
- 208000020911 optic nerve disease Diseases 0.000 description 1
- 230000001734 parasympathetic effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 210000001927 retinal artery Anatomy 0.000 description 1
- 230000004264 retinal detachment Effects 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 230000004287 retinal location Effects 0.000 description 1
- 210000001957 retinal vein Anatomy 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
- A61B3/112—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring diameter of pupils
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2307279 CA2307279C (fr) | 2000-05-09 | 2000-05-09 | Outil de diagnostic optique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2307279 CA2307279C (fr) | 2000-05-09 | 2000-05-09 | Outil de diagnostic optique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2307279A1 CA2307279A1 (fr) | 2001-11-09 |
| CA2307279C true CA2307279C (fr) | 2003-10-28 |
Family
ID=4166044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2307279 Expired - Fee Related CA2307279C (fr) | 2000-05-09 | 2000-05-09 | Outil de diagnostic optique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2307279C (fr) |
-
2000
- 2000-05-09 CA CA 2307279 patent/CA2307279C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2307279A1 (fr) | 2001-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |