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The evaluation of changes in anterior chamber parameters following laser peripheral iridotomy at one year follow-up

Poster Details

First Author: F.Yi?it TURKEY

Co Author(s):    ?. Onur   Y. Acet   A. Agachan        

Abstract Details


To evaluate the long term changes after LPI in anterior chamber parameters of eyes diagnosed as primary angle closure suspect (PACS), primary angle closure (PAC) and primary angle closure glaucoma (PACG) with use of Scheimpflug camera (SC).


SB Bak?rköy Dr. Sadi Konuk Training and Education Hospital, Ophthalmology Department, Istanbul, Turkey


Fifty six eyes of consecutive 30 patients diagnosed as PACS, PAC and PACG were enrolled prospectively. In addition to the full ophthalmic examination including intraocular pressure (IOP) and axial length (AxL) measurements, all eyes underwent Scheimpflug photography for assesment of anterior chamber parameters such as chamber angle (CA), central anterior chamber depth (CACD) and anterior chamber volume (ACV) before and at month 1, month 3, month 6 and month 12 succesively after LPI . The data have been evaluated statistically.


The groups were homogeneous in terms of mean age, gender and AxL. There was no significant difference in CA, CACD and ACV measurements at baseline, 1st, 3rd, 6th and 12th month follow-ups among the groups (p>0.05). The most prominent change in anterior chamber parameters was observed in CA. CA showed significant decrease from 6th through 12th months(p<0.05). Reduction in CACD and ACV was observed from 1st through 12th month follow-ups, however this reduction was not statistically significant (p>0.05).


In all groups, LPI produced significant changes in anterior chamber parameters immediately after the procedure. However, our study showed that by month 6 , the effects of LPI seemed to decrease particulary in PACG and PAC. Longer follow up time and larger series with use of scheimpflug photography may help understand the course of the disease and sustainability of effects induced by LPI.

Financial Disclosure:


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