Abstract
origin of the blood circulation of the brain and choroid through the internal carotid artery may play a role. Taking into account that choroidal thickness depends on choroidal blood vessel filling and considering the choroidal blood circulation as an extracranial part of the cerebral blood system may make one infer that decreased cerebral blood circulation may have an effect on both a decreased cognitive function and a reduced choroidal thickness. Our results should be interpreted with limitations in mind; it is not fully clear how well the Mini Mental Status Examination test applied in our study to assess cognitive function. In conclusion, thicker SFCT (or a lesser degree of fundus tessellation) was associated with higher cognitive function and vice versa, after adjusting for ocular and systemic parameters. These results suggest that more research is needed to explore the association between a leptochoroid and a reduced cerebral function.
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