Top-Ten of the South African Glaucoma Society Meeting
July 29-31, 2005, Drakensberg, South-Africa
Ellen Ancker
Peter Netland was the guest-speaker at this meeting.
Daytime phasing is a good alternative to 24-hour IOP phasing to
detect most IOP peaks.
HRT change from baseline is often false positive, but almost never
false negative, HRT cup depth differs with changes in the cardiac
cycle.
Six percent of patients with NTG have positive neuro-imaging of
compressive lesions; 60% of NTG progress despite 30% IOP lowering
treatment.
Raised IOP effect of intravitreal triamcinalone can last up to
9 months, 1% need surgery or SLT, risk factors for IOP rise are
baseline IOP above 15 mmHg, CRVO, uveitis, younger age.
Five dB loss with SAP equates to 25% RGC loss, 10 dB loss
to 40% RGC loss, a paracentral scotoma with 5 dB loss equates to 50%
RGC loss.
Intra-operative use of 5FU in pediatric glaucomas has got no
additional benefit; intra-operative MMC is of no benefit with Ahmed
valve implants re IOP control and number of medication used
post-operatively.
Aggressive immunomodulation with antimetabolites T-cell
inhibitors or alkylating agents increases filtration surgery outcome
in uveitic glaucomas dramatically to 94% success in 4 years.
The incidence of pseudo-exfoliation in South African blacks is
7% over the age of 40 and 18% over the age of 70 years, XFS is a
cause of OAG in 9% of black South Africans.
Combined phaco-trabeculectomy outcomes: two-site surgery results
in lower IOP versus one-site surgery; lower IOP with phaco versus
ECE.
In Stuge Weber glaucoma surgery a two-stage drainage is better
than a trabeculectomy because of choroidal effusion with the latter
procedure.
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