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Anesthesia for eye surgery

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General anaesthesia is preferred for ocular surgeries in anxious adults, psychiatric patients, infants and children. It is also indicated in perforating ocular injuries and major surgeries like exenteration. During the surgery, it has to be ensured that no carbon dioxide retention occurs. If this
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and orbicularis can be paralysed using a combination of surface anaesthesia, facial anaesthesia and retrobulbar block. The advantage is that it produces less post-operative restlessness. It has less post-operative lung complications and less bleeding.
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in 1884. Here, 2% xylocaine is introduced into the muscle cone behind the eyeball. The injection is usually given through the inferior fornix of the skin of the outer part of the lower lid when the eye is in primary gaze. The
103:, which supplies the orbicularis oculi muscle, is blocked in addition for intraocular surgeries. Topical anaesthesia is known to cause endothelial and epithelial toxicity, allergy and surface keratopathy. 132:
near the condyloid process. The needle is inserted at this point and about 4 ml of local anaesthetic is injected while withdrawing the needle. Pain at the injection site may occur if O' Brien's block is
122:. Anaesthetic is injected just above the eyebrow and below the inferior orbital margin, through a point about 2 cm behind the lateral orbital margin in level with the outer canthus of the eye. 430: 215:
This technique was first applied by Davis. In peribulbar block, local anaesthetic is injected to the peripheral spaces of the orbit. The anaesthetic diffuses into the muscle cone and
28:. Local anaesthesia is more preferred because it is economical, easy to perform and the risk involved is less. Local anaesthesia has a rapid onset of action and provides a dilated 47:
has evidences of use of anaesthesia for ocular surgeries. Inhalational anaesthesia was used for this purpose. Egyptian surgeons used carotid compression to produce transient
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swells up and ocular contents may prolapse as soon as the eye is opened. The advantages of general anaesthesia is that it produces complete akinesia, controlled
118: : In van Lint's block, the peripheral branches of facial nerve are blocked. This technique causes akinesia of orbicularis oculi muscle without associated 357: 434: 917: 912: 1118: 512: 219:, causing global and orbicularis akinesia and anaesthesia. After injection, orbital compression is applied for around 15 minutes. 325: 801: 1048: 1041: 276:
and safe operating environment. It is the safest option for bilateral surgery. The complications of general anaesthesia are
187:, which is outside the muscle cone, is not usually paralyzed. The complications of retrobulbar block are globe perforation, 139: : The superior branch of the facial nerve is blocked by injecting the anaesthetic solution at the inferior margin of 871: 751: 480: 451: 79:. One drop of xylocaine instilled four times after every 4 minutes will produce conjunctival and corneal anaesthesia. 694: 669: 183:
are anesthetized in retrobulbar block. As a result, global akinesia, anaesthesia and analgesia are produced. The
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There are four types of facial block : van Lint's block, Atkinson block, O' Brien block and Nadbath block.
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and extraocular muscle palsy. Retrobulbar anaesthesia is contraindicated in posterior
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etc. may also be used in place of xylocaine. Cataract surgery by
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used cocaine for retrobulbar block. In 1914, van Lint achieved
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during eye surgery to reduce the perception of pain. In 1884,
719: 149: : In Nadbath block, the facial nerve is blocked at the 29: 520: 526: 75:
Surface anaesthesia is given by instillation of 2.5 ml
99:is frequently performed under surface anaesthesia. 1249: 431:"Local and Regional Anaesthesia for Eye surgery" 70: 222: 355: 506: 481:Anaesthesia for adults having ocular surgery 452:"Anaesthesia for adults having eye surgery" 351: 349: 347: 153:. The patient is likely to experience pain. 913:Descemet membrane endothelial keratoplasty 513: 499: 388:"A review of Anaesthesia in Ophthalmology" 360:. The University of Sydney. Archived from 486:Ocular Local Anaesthetics in Doctor.co.uk 319: 317: 1119:Optical coherence tomography angiography 446: 444: 425: 423: 344: 918:Pre-Descemet's endothelial keratoplasty 1250: 802:Manual small incision cataract surgery 314: 262: 162:This technique was first practiced by 16:Ocular surgery may be performed under 1049:Botulinum toxin therapy of strabismus 1042:Minimally invasive strabismus surgery 494: 441: 420: 381: 379: 737:Phakic intraocular lens implantation 323: 157: 872:Minimally invasive glaucoma surgery 385: 326:"Local anaesthesia for eye surgery" 210: 59:for ocular surgery. The same year, 13: 376: 14: 1274: 695:Intrastromal corneal ring segment 474: 670:Automated lamellar keratoplasty 106: 1151:Bagolini Striated Glasses Test 946:Corneal collagen cross-linking 1: 1109:Indocyanine green angiography 1104:Heidelberg Retinal Tomography 936:Anterior chamber paracentesis 358:"Anaesthesia for eye surgery" 307: 288:, respiratory depression and 71:Topical (Surface) anaesthesia 67:akinesia by local injection. 1114:Optical coherence tomography 993:Phototherapeutic keratectomy 867:Excimer laser trabeculostomy 227:Nearly all ocular surgeries 223:Regional (local) anaesthesia 7: 742:Photorefractive keratectomy 295: 10: 1279: 1161:Dilated fundus examination 1141:A-scan ultrasound biometry 715:Laser thermal keratoplasty 538:Anesthesia for eye surgery 39: 1224: 1204: 1129: 1057: 1020: 928: 898:Whole eye transplantation 890: 850: 822: 797:Intraocular lens scaffold 760: 732:Limbal relaxing incisions 653: 644: 617: 587:East Asian blepharoplasty 572: 563: 533: 395:Singapore Medical Journal 433:. NYSORA. Archived from 1094:Fluorescein angiography 941:Boston keratoprosthesis 903:Corneal transplantation 675:Conductive keratoplasty 185:superior oblique muscle 973:Intravitreal injection 837:Laser photocoagulation 782:Glued intraocular lens 1191:Slit-lamp examination 1156:Color perception test 1079:Electronystagmography 627:Dacryocystorhinostomy 1032:Harada–Ito procedure 705:Laser blended vision 458:on 23 September 2012 356:Calobrizi, Cousins. 274:intraocular pressure 191:injury, retrobulbar 151:stylomastoid foramen 34:intraocular pressure 1216:Plaque radiotherapy 1089:Electroretinography 807:Phacoemulsification 364:on 27 December 2019 263:General anaesthesia 236:cataract extraction 97:phacoemulsification 1099:Fundus photography 1084:Electrooculography 1069:Corneal topography 1037:Strabismus surgery 332:on 25 October 2012 290:cardiac arrhythmia 26:general anesthesia 1245: 1244: 1196:Visual field test 1016: 1015: 747:Radial keratotomy 710:Laser eye surgery 640: 639: 386:Yap, E.Y (1993). 324:Pittmann, James. 158:Retrobulbar block 1270: 1176:Ocular tonometry 1074:Electrodiagnosis 862:Cyclodestruction 787:Hydrodelineation 651: 650: 604:Hughes procedure 570: 569: 515: 508: 501: 492: 491: 468: 467: 465: 463: 448: 439: 438: 427: 418: 417: 415: 413: 392: 383: 374: 373: 371: 369: 353: 342: 341: 339: 337: 321: 240:glaucoma surgery 211:Peribulbar block 177:oculomotor nerve 173:ciliary ganglion 137:Atkinson's block 126:O' Brien's block 120:facial paralysis 116:van Lint's block 1278: 1277: 1273: 1272: 1271: 1269: 1268: 1267: 1248: 1247: 1246: 1241: 1220: 1207: 1200: 1132: 1125: 1060: 1053: 1023: 1012: 988:Photodisruption 924: 891:Transplantation 886: 882:Trabeculoplasty 853: 846: 824: 818: 792:Hydrodissection 763: 756: 725:Contoura Vision 685:Epikeratophakia 656: 636: 619:Lacrimal system 613: 599:Eyelid revision 594:Epicanthoplasty 559: 555:Eye examination 529: 519: 477: 472: 471: 461: 459: 450: 449: 442: 429: 428: 421: 411: 409: 390: 384: 377: 367: 365: 354: 345: 335: 333: 322: 315: 310: 298: 265: 225: 213: 160: 109: 73: 45:Susruta Samhita 42: 12: 11: 5: 1276: 1266: 1265: 1260: 1243: 1242: 1240: 1239: 1237:Cryoextraction 1234: 1228: 1226: 1222: 1221: 1219: 1218: 1212: 1210: 1202: 1201: 1199: 1198: 1193: 1188: 1183: 1181:Ophthalmoscopy 1178: 1173: 1168: 1163: 1158: 1153: 1148: 1143: 1137: 1135: 1127: 1126: 1124: 1123: 1122: 1121: 1111: 1106: 1101: 1096: 1091: 1086: 1081: 1076: 1071: 1065: 1063: 1055: 1054: 1052: 1051: 1046: 1045: 1044: 1034: 1028: 1026: 1018: 1017: 1014: 1013: 1011: 1010: 1005: 1000: 995: 990: 985: 980: 975: 970: 968:Gundersen flap 965: 960: 959: 958: 948: 943: 938: 932: 930: 926: 925: 923: 922: 921: 920: 915: 910: 908:Corneal button 900: 894: 892: 888: 887: 885: 884: 879: 877:Trabeculectomy 874: 869: 864: 858: 856: 848: 847: 845: 844: 842:Scleral buckle 839: 834: 828: 826: 820: 819: 817: 816: 815: 814: 804: 799: 794: 789: 784: 779: 774: 768: 766: 758: 757: 755: 754: 749: 744: 739: 734: 729: 728: 727: 717: 712: 707: 702: 700:Keratomileusis 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575: 571: 568: 566: 562: 556: 553: 549: 548:Oculoplastics 546: 545: 544: 541: 539: 536: 535: 532: 528: 524: 516: 511: 509: 504: 502: 497: 496: 493: 487: 484: 482: 479: 478: 457: 453: 447: 445: 436: 432: 426: 424: 408: 404: 400: 396: 389: 382: 380: 363: 359: 352: 350: 348: 331: 327: 320: 318: 313: 303: 300: 299: 293: 291: 287: 283: 279: 275: 271: 260: 257: 253: 249: 245: 241: 237: 233: 230: 220: 218: 208: 206: 202: 199:, high axial 198: 194: 190: 186: 182: 178: 174: 170: 165: 152: 148: 147:Nadbath block 145: 142: 138: 135: 131: 127: 124: 121: 117: 114: 113: 112: 104: 102: 98: 94: 90: 86: 82: 78: 68: 66: 62: 58: 54: 50: 46: 37: 35: 31: 27: 23: 19: 963:Evisceration 832:Ignipuncture 632:Punctoplasty 609:Tarsorrhaphy 537: 460:. Retrieved 456:the original 435:the original 410:. Retrieved 398: 394: 366:. Retrieved 362:the original 334:. Retrieved 330:the original 278:laryngospasm 268:occurs, the 266: 232:keratoplasty 228: 226: 214: 205:enophthalmos 164:Herman Knapp 161: 146: 136: 125: 115: 110: 107:Facial block 101:Facial nerve 74: 61:Herman Knapp 43: 15: 1263:Eye surgery 1186:Retinoscopy 1146:Amsler grid 1133:examination 1022:Extraocular 951:Enucleation 777:Capsulotomy 543:Eye surgery 286:hypercarbia 282:hypotension 252:Conjunctiva 193:haemorrhage 189:optic nerve 89:bupivacaine 65:orbicularis 53:Karl Koller 1258:Anesthesia 1252:Categories 1171:Gonioscopy 1166:Funduscopy 1008:Vitrectomy 1003:Sclerotomy 978:Iridectomy 655:Refractive 523:procedures 521:Tests and 308:References 248:strabismus 244:iridectomy 197:staphyloma 85:tetracaine 1206:Radiation 998:Pterygium 956:Conformer 690:Epi-LASIK 462:20 August 412:20 August 368:20 August 336:20 August 93:lidocaine 81:Paracaine 77:xylocaine 32:with low 1232:Couching 983:Peritomy 852:Glaucoma 762:Cataract 296:See also 133:applied. 130:mandible 49:ischemia 1225:History 1208:therapy 1061:imaging 1059:Medical 1024:muscles 854:surgery 825:surgery 823:Retinal 812:Prechop 764:surgery 657:surgery 574:Eyelids 407:8266180 270:choroid 217:eyelids 57:cocaine 40:History 18:topical 565:Adnexa 405:  201:myopia 929:Other 752:SMILE 720:LASIK 646:Globe 391:(PDF) 256:globe 55:used 30:pupil 22:local 527:eyes 464:2012 414:2012 403:PMID 370:2012 338:2012 203:and 179:and 1131:Eye 242:, 229:viz 24:or 1254:: 443:^ 422:^ 399:34 397:. 393:. 378:^ 346:^ 316:^ 292:. 284:, 280:, 254:, 246:, 238:, 234:, 207:. 175:, 171:, 91:, 87:, 83:, 36:. 20:, 514:e 507:t 500:v 466:. 416:. 372:. 340:. 143:.

Index

topical
local
general anesthesia
pupil
intraocular pressure
Susruta Samhita
ischemia
Karl Koller
cocaine
Herman Knapp
orbicularis
xylocaine
Paracaine
tetracaine
bupivacaine
lidocaine
phacoemulsification
Facial nerve
facial paralysis
mandible
zygomatic bone
stylomastoid foramen
Herman Knapp
ciliary nerves
ciliary ganglion
oculomotor nerve
abducens nerve
superior oblique muscle
optic nerve
haemorrhage

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