efficacy of punch trabeculectomy in different typesof glauco
TRANSCRIPT
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Efficacy of Punch Trabeculectomy in different typesof Glaucoma
Dr. Anand Sudhalkar
Baroda.
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IOP & Glaucoma management
IOP the only Modifiable risk Factor
Relationship of the two well established(1,2)
Establishing an Effective Target IOP the Key in management(3)
Aim of glaucoma management is to maintain IOP below the Target to reduce field loss and improve optic nerve circulation(4)
Ref 1. R. Vogel et al.BJO 1983; vol 67, 220-227, Ref 2. G. Gazzard BJO 2003;
Ref 3. Popovi. Coll Antropol 2005; 29 Suppl 1:149-51.
Ref 4. Anders Heijl. Arch Ophthalmol. 2002; 120:1268-1279.
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Modalities for IOP reduction
Topical drops
Laser Trabeculoplasty
Laser PI
Filtration Surgery
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Material & Classification
46 eyes of 41 patients
POAG – 22
PNAG – 19
ACUTE CONGESTIVE – 5.
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WORKUP
Complete eye examination
Gonioscopy
Applanation tonometry
Autoperimetry (Octopus)
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Baseline & Target IOP
Mean of diurnal IOP at 9am, 3pm and 8 pm.
Target IOP derived individually considering
Baseline IOP(5)
Ref 5 Sonal D. Wadhwa Comp Ophthalmol Update 6: 259-65, 2005
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Further adjustments to Target IOP
Hartleben Formula
Dynamic adjustments after follow up fields
using Visual Field Scoring methods(6)
Ref 6 Brenda W. Gillespie (Investigative Ophthalmology and Visual Science. 2003; 44:2613-2620.)