Journal article
Relationships between clinical measures of visual function and anatomic changes associated with bevacizumab treatment for choroidal neovascularization in age-related macular degeneration
Eye (London), v 23(2), pp 453-460
01 Feb 2009
PMID: 19039333
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Purpose This pilot study was undertaken to examine the relationships between clinical measures of visual function and anatomic changes occurring in the eyes treated with bevacizumab for choroidal neovascularization (CNV) due to age-related macular degeneration (AMD).
Methods A retrospective review was conducted for 50 eyes that had been treated with at least three injections of bevicizumab for CNV due to AMD, and followed for at least 6 months. Vision outcomes included best-corrected ETDRS chart acuity, scored by best-line read (ETDRS line) and by total letters read (ETDRS letter), and two measures obtained from central acuity perimetry with 98% Michelson contrast targets, the best acuity within 6 degrees of fixation (BA6 degrees), and global macular acuity (GMA), representing a weighted average of the acuities thresholded at all intercepts within a 10 degrees radius of fixation. Assessment of anatomic outcomes included fibrosis, atrophy, and subretinal hemorrhage grading on fundus photography, CNV size, pigment epithelial detachment (PED) size and grading of CNV leakage on fluorescein angiography, and central retinal PED, and subretinal fluid (SRF) thickness on optical coherence tomography.
Results Logistic regression analysis showed an association between the vision outcomes of EDTRS letter and BA6 degrees with the change in SRF thickness (R-2: 0.47 and 0.35, respectively). The outcome of the vision measurement of GMA was associated with the change in SRF thickness, in CNV thickness, and in CNV fibrosis grade (R-2: 0.34). No association was noted between the outcomes of ETDRS line with the change in any anatomic outcomes.
Conclusion Acuity perimetry outcomes in this study seemed to offer improved understanding of the relationship between the vision outcomes and the measured anatomic changes. It seemed that neither ocular coherence tomography nor fluorescein angiography alone offered sufficient morphologic markers for prediction of functional outcomes.
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Details
- Title
- Relationships between clinical measures of visual function and anatomic changes associated with bevacizumab treatment for choroidal neovascularization in age-related macular degeneration
- Creators
- Y. B. Uenver - Beyoglu Eye Training & Res Hosp, TR-19035 Istanbul, TurkeyG. A. Yavuz - Duzce UniversityN. Bekiroglu - Marmara UniversityP. Presti - Georgia Institute of TechnologyW. Li - Drexel UniversityS. H. Sinclair - Drexel University
- Publication Details
- Eye (London), v 23(2), pp 453-460
- Publisher
- Springer Nature
- Number of pages
- 8
- Grant note
- TUBITAK; Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Ophthalmology [Historical]
- Web of Science ID
- WOS:000263321000035
- Scopus ID
- 2-s2.0-60149098855
- Other Identifier
- 991019167429104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Ophthalmology