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Influence of Cilioretinal Arteries on the Configuration of Neuro-retinal Rim and Parapapillary Atrophy in Glaucoma
Budde W. M., Jonas J. B.,
Ruprecht-Karls-Universität Heidelberg, Fakultät für klinische Medizin Mannheim, Augenklinik (Mannheim)
Purpose: The pattern of glaucomatous optic atrophy depends on the localisation of the vessel trunc of the central retinal vessels on the lamina cribrosa. Aim of the present study was to determine, if cilioretinal arteries have a similar protective effect.
Method: One eye of 168 consecutive patients with POWG was included in the study. Fifteen degree stereo optic disc slides were evaluated by planimetry. 41 eyes showed a cilioretinal artery at the temporal disc border. Eyes with and without cilioretinal artery did not differ in area of optic disc, area of neuroretinal rim, refractive error, age and sex of the patients.
Results: Eyes with and without cilioretinal artery did not differ in ratio of temporal to total rim area (temporal 60°) and did not differ in ratio temporal to nasal rim area (temporal 60° to nasal 120°) (P>0.8). Similarly, eyes with and without cilioretinal artery did not differ in occurence and if present, size of parapapillary atrophy zone beta (P>0.8).
Conclusions: In contrast to the position of the central vessel trunc, the presence of cilioretinal arteries does not result in a localized protective influence on morphologic glaucomatous damage.
Supported by DFG (SFB 539)