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AB INTERNO MANAGEMENT OF IRIDODIALYSIS WITH TRAUMATIC CATARACT IN SINGLE SITTING WITH 10- PROLENE SECTION : TRAUMA

AB INTERNO MANAGEMENT OF IRIDODIALYSIS WITH TRAUMATIC CATARACT IN SINGLE SITTING WITH 10- PROLENE SECTION : TRAUMA. PRESENTING AUTHOR : Dr POOJA JAIN 2 nd YEAR RESIDENT CO AUTHORS:Dr Chhaya Shinde,Dr Nayana Potdar,Dr Asif Virani,Dr Roshni Shetty,Dr Smita P LTMGH,Mumbai

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AB INTERNO MANAGEMENT OF IRIDODIALYSIS WITH TRAUMATIC CATARACT IN SINGLE SITTING WITH 10- PROLENE SECTION : TRAUMA

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  1. AB INTERNO MANAGEMENT OF IRIDODIALYSIS WITH TRAUMATIC CATARACT IN SINGLE SITTING WITH 10- PROLENESECTION : TRAUMA PRESENTING AUTHOR : Dr POOJA JAIN 2nd YEAR RESIDENT CO AUTHORS:DrChhayaShinde,DrNayanaPotdar,DrAsifVirani,DrRoshniShetty,DrSmita P LTMGH,Mumbai E POSTER SERIAL NO : 290 CODE NO: FP669

  2. INTRODUCTION A 6 yr female child presented to the OPD with h/o firecracker injury to left eye 2 months back followed by diminution of vision & white reflex On examination Right eye vision 6/6 ,ant & post seg WNL Left eye vision-PL PR in all quadrants. Slx-traumatic cataract with D shaped pupil with posterior synechiae at 3 & 5 o clock & iridodialysis from 2 to 6 ocl in inferotemporal quadrant(ITQ) Fundus no glow visualized. UBM Left eye showed iridodialysis from 2 to 6 o clock , zonular dialysis from 3 to 6 o clock . USG Bscan showed normal posterior segment & no e/o retinal detachment .

  3. MATERIALS AND METHODS • Under GA,3mm scleral tunnel at 11 o’cl &2mm scleral shelf was made at 5 o’cl. Synechiolysis in ITQ was done • After cortical aspiration, heparin coated foldable IOL was implanted in the bag . PCO was noted in ITQ. • Iridodialysisrepair was done by passing one straight needle of double ended 10 -0 prolene suture through main tunnel, then through the iris stroma of one torn iris leaflet at 3 o’cl further taking out the needle thru scleral shelf at 5 o’cl,then another straight needle passed through the main tunnel, other end of iris leaflet at 6 o‘cland sclera shelf,both ends of suture tied together & buried in the shelf .

  4. Scheme 1 shows the 2 straight needles of 10-prolene passing thru main tunnel at 11o’cl traversing torn iris to emerge at scleral shelf at 5o’clScheme 2 shows the correction achieved after pulling the 2 ends of the suture ILLUSTRATION 1 ILLUSTATION 2

  5. Fig 1 shows straight needle of 10 – prolene traversing the torn end of iris & scleral shelf Fig 2 shows needle pulled out thru shelf with suture holding the iris FIGURE 1 FIGURE 2

  6. FIGURE 3 FIGURE 3 • Figure 3 shows both ends of 10-0 prolene pulled out at scleral shelf imparting tone to the iris & correcting pupil shape

  7. FINAL OPERATIVE RESULT FIGURE 4 • Fig 4 shows corrected almost circular slightly peaked pupil with good cosmesis • PCIOL in place • PCO in the inferotemporal quadrant • Wound & side port is closed

  8. POSTOPERATIVE STATUS(FIGURE 5) PODay1- left eye vision 6/18 ,AC well formed ,pupil was circular, PCIOL in place,with normal IOP Patient was started on local antibiotic steroids & homatropine -4wk 1 month FU-LE quiet, vision-6/12 with good cosmetic appearance.

  9. DISCUSSION • Iridodialysis frequently occurs as a complication of blunt trauma to the globe & leads to separation of iris root from ciliary body. • Small iridodialysiswith minimal symptoms require no treatment. Large iridodialysiswith double pupil effect,monoculardiplopia, glare,poorcosmesis & photophobia require surgical intervention • Surgical repair is usually done by 10-0 prolene suture taking the base of iris avulsion and suturing it to the scleralspur and ciliary body junction,by open/closed chamber technique.

  10. PRINCIPLES OF IRIS REPAIR 1. Instillation of a miotic agent, stretches & increases the surface area. 2. The soft & friable consistency of iris demands an atraumatictechnique. When present synechiolysis should be the first step in repair. If sphincter is involved, pupillary margin reappositionestablishes a central pupil and creates a more taut iris diaphragm, facilitating further steps. 3. Because patients may develop glare symptoms when the optic margin of an implant lens is exposed, the repaired iris leaflets should cover all IOL edges. When planning IOL implantion with iris repair, a larger optic implant may facilitate this task.

  11. CONCLUSION • Iridodialysis repair techniques are classified as open chamber & closed chamber • Open chamber techniques access the iridodialysis site thru a limbalself-sealing incision or a scleral tunnel . Although access to the AC is attained with a needle in closed chamber techniques, the knot of the suture is left subconjunctivally, buried to the sclera or put under a scleralflap as in open chamber techniques • Similar to subconjunctival knots, sclera buried knots cause erosion ,discomfort & infection. To avoid this scleral flap technique like flaps in SFIOL implantation is used to bury the knots. • However, scleral flap preparation is time consuming and hard to perfect, & can cause erosion and infection

  12. ADVANTAGES OF OUR SURGICAL TECHNIQUE • The prolenesuture is resistant to hydrolysis in the anterior chamber hence a better choice than nylon. • Less irritation,ssssss less exposure,As knot is burried • Single sitting • Safe , • cheap • Atraumatic with minimal instrumentation • Good cosmesis

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