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Optic disc

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are computerised techniques for imaging various structures of the eyes, including the optic disc. They quantify the nerve fiber layer of the disc and surrounding retina and statistically correlate the findings with a database of previously screened population of normals. They are useful for baseline
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A systematic review of 106 studies and 16,260 eyes compared the performance of the imaging techniques, and found that all three imaging tests performed very similarly when detecting for glaucoma. The review found that in 1,000 patients subjected to imaging tests, with 200 having manifest glaucoma,
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1:posterior segment 2:ora serrata 3:ciliary muscle 4:ciliary zonules 5:Schlemm's canal 6:pupil 7:anterior chamber 8:cornea 9:iris 10:lens cortex 11:lens nucleus 12:ciliary process 13:conjunctiva 14:inferior oblique muscule 15:inferior rectus muscule 16:medial rectus muscle 17:retinal arteries and
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Traditional colour-film camera images are the reference standard in imaging, requiring an expert ophthalmic photographer, ophthalmic technician, optometrist or ophthalmologist for taking standardised pictures of the optic disc. Stereoscopic images offer an excellent investigative tool for serial
417:. Imaging will not provide conclusive evidence for clinical diagnosis however, and the evidence needs to be supplanted by serial physiological testing for functional changes. Such tests may include visual field charting and final clinical interpretation of the complete 456:
in human eyes. Furthermore, the Doppler spectrum asymmetry reveals the local direction of blood flow with respect to the optical axis. This directional information is overlaid on standard grayscale blood flow images to depict flow in the central artery and vein.
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Puyo, Léo, Michel Paques, Mathias Fink, José-Alain Sahel, and Michael Atlan. "Waveform analysis of human retinal and choroidal blood flow with laser Doppler holography." Biomedical Optics Express 10, no. 10 (2019):
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veins 18:optic disc 19:dura mater 20:central retinal artery 21:central retinal vein 22:optic nerve 23:vorticose vein 24:bulbar sheath 25:macula 26:fovea 27:sclera 28:choroid 29:superior rectus muscle 30:retina
479:: a unilateral congenital deformity resulting from failure of the optic nerve to completely form in utero. The term was coined in 1970 by Kindler, noting a resemblance of the malformed optic nerve to the 537: 1459: 95:
Optic disk, optic disc, optic nerve head, blind spot, Mariotte blind spot, Mariotte's blind spot, optic papilla, discus nervi optici , papilla nervi optici, porus opticus)
321:), sharpness of edge, swelling, hemorrhages, notching in the optic disc and any other unusual anomalies. It is useful for finding evidence corroborating the diagnosis of 728:
Puyo, L., M. Paques, M. Fink, J-A. Sahel, and M. Atlan. "In vivo laser Doppler holography of the human retina." Biomedical optics express 9, no. 9 (2018): 4113-4129.
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Local direction of blood flow with respect to the optical axis revealed by the Doppler spectrum asymmetry in out-of-plane retinal vessels by holographic
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the best imaging tests would miss 60 cases out of the 200 patients with glaucoma, and incorrectly refer 50 out of 800 patients without glaucoma.
1198: 1203: 1183: 1059: 573: 473:: a non-progressive condition in which the optic disc is enlarged (diameter exceeding 2.1 mm) with no other morphological abnormalities. 317:
A biomicroscopic exam can indicate the health of the optic nerve. In particular, the eye care physician notes the colour, cupping size (as a
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Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht von Graefes Archiv für Klinische und Experimentelle Ophthalmologie
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is an optic disc which varies in colour from a pale pink or orange colour to white. A pale disc is an indication of a disease condition.
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after they leave the eye. The optic disc represents the beginning of the optic nerve and is the point where the axons of retinal
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Puyo, L., M. Paques, and M. Atlan. "Retinal blood flow reversal in out-of-plane vessels imaged with laser Doppler holography"
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Almost all eye structures can be examined with appropriate optical equipment and lenses. Using a modern direct
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from the eye toward the brain. The optic disc is also the entry point for the major arteries that supply the
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This article is about the anatomical feature of the eye. For digital storage media such as CDs and DVDs, see
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should be screened by an ophthalmoscopic examination of the optic disc for early evidence of a rise in
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Michelessi M, Lucenteforte E, Oddone F, Brazzelli M, Parravano M, Franchi S, Ng SM, Virgili G (2015).
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Automated techniques have also been developed to allow for more efficient and less expensive imaging.
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by an eye care physician. Ophthalmologists and optometrists are able to provide this service.
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Tasman, William; Jaeger, Edward A (2006). "Chapter 4: Anatomy of the Visual Sensory System".
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photograph showing the optic disc as a bright area on the right where blood vessels converge.
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Retinal Vein Pulsation Is in Phase with Intracranial Pressure and Not Intraocular Pressure
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Georgalas, Ilias; Ladas, Ioannis; Georgopoulos, Gerasimos; Petrou, Petros (August 2011).
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follow-up of suspected changes in the hands of an expert optometrist or ophthalmologist.
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Amador-Patarroyo, Manuel J.; Pérez-Rueda, Mario A.; Tellez, Carlos H. (1 January 2015).
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Heidary, Fatemeh; Gharebaghi, Reza; Wan Hitam, Wan Hazabbah; Shatriah, Ismail (2010).
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A normal optic disc is orange to pink in colour and may vary based on ethnicity. A
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Kindler (1970). "Morning glory syndrome: unusual congenital optic disk anomaly".
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gives a view of the optic disc using the principle of reversibility of light. A
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cells come together. The optic disc in a normal human eye carries 1–1.2 million
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Magrath, GN; Cheeseman EW; Sarrica RA (2013). "Morning Glory Disc Anomaly".
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Optic nerve head, the point of exit for ganglion cell axons leaving the eye
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in the optic disc region can be revealed non invasively by near-infrared
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Three dimensional image of a healthy optic disc in a 24-year-old female.
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The optic disc is located 3 to 4 mm to the nasal side of the
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focusing lens (+66D, +78D or +90D) is required for a detailed
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and serial follow-up to monitor minute changes in optic disc
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The optic disc or optic nerve head is the point of exit for
489:: congenital excavation of the optic disc resulting from a 314:
view of the optic disc and structures inside the eye.
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Blood flow in the optic disc revealed by holographic
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Tilted optic disc in left eye of a 20-year-old male.
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overlying the optic disc, it corresponds to a small
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overlying the optic disc, it corresponds to a small
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Philadelphia: Lippincott Williams & Wilkins. 152: 140: 128: 116: 104: 99: 91: 86: 46: 909:"An Introduction to Diseases of the Optic nerve" 1182: 392:Optic disc cross-sections imaged by an SD-OCT. 1053: 348:Women in an advanced stage of pregnancy with 337:(i.e. optic disc swelling produced by raised 8: 761: 759: 746: 744: 1560: 1340: 1232: 1088: 1060: 1046: 1038: 67: 52: 848: 817:"Congenital anomalies of the optic nerve" 791: 724: 722: 363: 602: 501: 232:with blood, and the exit point for the 169: 43: 7: 555:Optic disc showing microvasculature. 886:10.1016/j.pediatrneurol.2013.05.015 1023:Diagram at Moorfields Eye Hospital 331:anterior ischemic optic neuropathy 25: 216:The ganglion cell axons form the 752:https://arxiv.org/abs/2008.09813 579:Optic disc edema and haemorrhage 572: 560: 548: 536: 520: 504: 440:can enable mapping of the local 821:Saudi Journal of Ophthalmology 784:10.1002/14651858.CD008803.pub2 493:during development of the eye. 452:variations, and reveal ocular 325:and other optic neuropathies, 1: 673:"Nerve fiber layer thickness" 402:Heidelberg retinal tomography 1706:Optical coherence tomography 1460:Photosensitive ganglion cell 943:10.1016/0002-9394(70)92269-5 689:10.1016/j.ophtha.2010.05.024 410:optical coherence tomography 73:The terminal portion of the 37:Not to be confused with the 1456:Giant retina ganglion cells 1245:Capillary lamina of choroid 833:10.1016/j.sjopt.2014.09.011 1773: 1400:Retinal pigment epithelium 1390:External limiting membrane 1028:Diagram at Ballard Optical 966:"Optic disc pit: a review" 772:Cochrane Database Syst Rev 477:Morning glory disc anomaly 442:arterial resistivity index 406:scanning laser polarimetry 306:along with an appropriate 77:and its entrance into the 36: 29: 1176: 982:10.1007/s00417-011-1698-5 368:Schematic diagram of the 190:is the point of exit for 164: 66: 51: 301:slit lamp biomicroscopic 81:, in horizontal section. 1395:Layer of rods and cones 1351:Inner limiting membrane 616:Encyclopædia Britannica 275:. Because there are no 201:. Because there are no 1217: 393: 373: 166:Anatomical terminology 1711:Eye care professional 1516:Foveal avascular zone 1378:Outer plexiform layer 1366:Inner plexiform layer 1321:Iris sphincter muscle 1214: 640:Duane's Ophthalmology 529:laser Doppler imaging 513:laser Doppler imaging 438:Laser Doppler imaging 434:laser Doppler imaging 391: 367: 354:intracranial pressure 339:intracranial pressure 291:Clinical significance 226:afferent nerve fibers 1731:Physiological Optics 1701:Ocular immune system 1440:Retina ganglion cell 1555:Anatomical regions 1416:Photoreceptor cells 1383:Outer nuclear layer 1371:Inner nuclear layer 1361:Ganglion cell layer 1316:Iris dilator muscle 1111:Trabecular meshwork 874:Pediatric Neurology 111:discus nervi optici 1218: 424:Blood flow in the 394: 374: 1757:Human eye anatomy 1744: 1743: 1736:Visual perception 1684: 1683: 1651:Posterior segment 1619:Posterior chamber 1550: 1549: 1452:Bistratified cell 1356:Nerve fiber layer 1329: 1328: 1273:Ciliary processes 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Retrieved 614: 611:"blind spot" 605: 491:malformation 459: 454:hemodynamics 423: 399: 395: 377: 375: 347: 316: 312:stereoscopic 294: 271:leaving the 263: 253: 243: 215: 197:leaving the 187: 183: 181: 135:A15.2.04.019 110: 32:optical disc 1716:Eye disease 1696:Keratocytes 1585:Conjunctiva 1542:Ora serrata 1480:Muller glia 1444:Midget cell 1164:Endothelium 1154:Dua's layer 335:papilledema 304:examination 218:optic nerve 100:Identifiers 75:optic nerve 1557:of the eye 1530:Optic disc 1288:Pars plana 1159:Descemet's 1139:Epithelium 880:(6): 517. 738:4942-4963. 597:References 415:morphology 285:blind spot 211:blind spot 184:optic disc 47:Optic disc 1535:Optic cup 1420:Cone cell 1074:human eye 990:1435-702X 841:1319-4534 697:1549-4713 658:318288606 487:Optic pit 378:pale disc 370:human eye 360:Pale disc 250:optic cup 240:Structure 1751:Category 1424:Rod cell 1229:(middle) 1144:Bowman's 1006:25880534 998:21638030 894:24095648 859:25859137 802:26618332 713:11122001 705:20816254 623:June 21, 585:See also 450:diastole 323:glaucoma 308:aspheric 260:Function 254:bean pot 222:ganglion 92:Synonyms 1676:Choroid 1577:Eyebrow 1521:Foveola 1337:(inner) 1237:Choroid 1085:(outer) 1072:of the 951:5418855 850:4314572 793:4732281 498:Gallery 483:flower. 446:systole 430:choroid 404:(HRT), 384:Imaging 341:), and 123:D009898 87:Details 79:eyeball 1671:Retina 1581:Eyelid 1573:Adnexa 1496:Macula 1476:K cell 1472:M cell 1468:P cell 1344:Layers 1335:Retina 1306:Stroma 1149:Stroma 1134:layers 1129:Limbus 1121:Cornea 1093:Sclera 1004:  996:  988:  949:  914:30 May 892:  857:  847:  839:  800:  790:  711:  703:  695:  656:  646:  619:. 2011 426:retina 230:retina 1689:Other 1593:Orbit 1511:Fovea 1489:Other 1426:) → ( 1409:Cells 1311:Pupil 1227:tunic 1070:globe 1002:S2CID 709:S2CID 281:cones 269:axons 246:fovea 234:veins 207:cones 195:axons 170:[ 159:58634 106:Latin 1629:Lens 1614:Iris 1462:) → 1438:) → 1430:) → 1298:Iris 994:PMID 986:ISSN 947:PMID 916:2014 890:PMID 855:PMID 837:ISSN 798:PMID 776:2020 701:PMID 693:ISSN 654:OCLC 644:ISBN 625:2017 428:and 408:and 277:rods 203:rods 182:The 147:6788 130:TA98 118:MeSH 1434:→ ( 978:doi 974:249 939:doi 882:doi 845:PMC 829:doi 788:PMC 780:doi 685:doi 681:117 333:or 279:or 273:eye 205:or 199:eye 186:or 154:FMA 142:TA2 1753:: 1591:, 1587:, 1583:, 1579:, 1478:, 1474:, 1470:, 1466:: 1458:, 1454:, 1450:, 1446:, 1422:, 1000:. 992:. 984:. 972:. 968:. 945:. 935:69 933:. 888:. 878:49 876:. 853:. 843:. 835:. 825:29 823:. 819:. 796:. 786:. 774:. 770:. 758:^ 743:^ 721:^ 707:. 699:. 691:. 679:. 675:. 652:. 613:. 436:. 356:. 345:. 329:, 1595:) 1575:( 1442:( 1418:( 1061:e 1054:t 1047:v 1008:. 980:: 953:. 941:: 918:. 896:. 884:: 861:. 831:: 804:. 782:: 715:. 687:: 660:. 627:. 531:. 515:. 448:- 174:] 34:. 20:)

Index

Optic nerve head
optical disc
fovea centralis

Ophthalmoscopy

optic nerve
eyeball
Latin
MeSH
D009898
TA98
A15.2.04.019
TA2
6788
FMA
58634
Anatomical terminology
edit on Wikidata
ganglion cell
axons
eye
rods
cones
blind spot
optic nerve
ganglion
afferent nerve fibers
retina
veins

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