Clear Corneal Wounds and Wound Suturing
Objectives
- To make 4 clear corneal wounds
- To know about the reverse needle pass 1-1-1 suturing technique
- To place 8 radial, 10-0 nylon sutures in clear corneal wounds
- Know the suture and needle type used for clear corneal wounds.
- Describe the circumstances in which Prolene and Vicryl sutures are used during cataract surgery.
Reading
- Preparing a Dextran solution to clear cadaver corneas
- Swinger CA, Kornmehl EW. Dehydration of post-mortem eyes for practice and experimental surgery. Ophthalmic Surg. 1985 Mar;16(3):182-3. PubMed PMID: 3991116.
- Henderson BA. Essentials of Cataract Surgery, second edition. Thorofare, NJ: Slack Inc., 2014. (WW 260 E78 2014). isbn 978-1-61711-0672
- Chapter 6, Wound Construction, Pages 51-67
(UIHC Link) - Chapter 8, Ophthalmic Viscosurgical Devices, Pages 81-85
(UIHC Link) - Chapter 18, Suturing in Cataract Surgery, Pages 183-192
(UIHC Link) - Oetting TA, ed. Basic Principles of Ophthalmic Surgery, 2nd ed. San Francisco, American Academy of Ophthalmology, 2011. (WW 39 B311 2011)
(UIHC Affilates can contact the C.S. O'Brien Librarian for reprints) - Chapter 5, Pages 57-82; “Surgical Instruments and Blades”
- Chapter 6, Pages 83-92; “Suture Materials and Needles”
- Chapter 13, Pages 191-201; “Wound Construction in Cataract Surgery”
- Chapter 14, Pages 203-207; “Suturing and Knot Tying” (NOTE: Not the whole chapter)
- Naseri, Ayman, ed. Basic Principals of Ophthalmic Surgery, 3rd Ed. San Francisco, American Academy of Ophthalmology, 2015. (WW 168 B311 2015)
(UIHC Affilates can contact the C.S. O'Brien Librarian for reprints) - Chapter 8, Pages 85-110; “Surgical Instruments and Blades”
- Chapter 9, Pages 111-118; “Suture Materials and Needles”
- Chapter 15, Pages 177-180; “Suturing and Knot Tying” (NOTE: Not the whole chapter)
- Reverse needle pass 1-1-1:
- Read this article: Narvaez J, Jones J, Zumwalt M, Mahdavi P. Reserved needle pass clear-corneal or limbal incision suturing technique using the 3-throw (1-1-1) adjustable square knot. J Cataract Refract Surg. 2012 Jun;38(6):929-32. doi: 10.1016/j.jcrs.2012.04.004. PubMed PMID: 22624889 The pdf is password protected, please see Dr. Haugsdal
- [Link to Video]. Video requires password, please see Dr. Haugsdal.
Videos
• Wounds
Wound Too Long
Watch on YouTube
Bulla bulla
Watch on YouTube
Paracentesis too close
Watch on YouTube
Conjunctival donut
Watch on YouTube
• Suture
First Case Suture
Watch on YouTube
Horizontal mattress suture
Watch on YouTube
Simulation
Eye Model
EQUIPMENT
Keratome
Side port
Viscoelastic, 27g cannula
Fixation device: ring, 0.12
10-0 nylon/vicryl
Needle Driver
kellman-Mcpherson forceps
0.12 forceps
Tying forceps (optional)
Suggested citation format: Haugsdal J, Kitzmann A, Oetting TA. The Iowa Ophthalmology Wet Laboratory. EyeRounds.org. Updated Posting June 28, 2021. Originally Posted December 6, 2012. Available from http://www.EyeRounds.org/tutorials/Iowa-OWL-o2021/