Fluorescein Studies of Normal Choroidal Circulation

Choroidal Absorption Angiography With Patent Blue V

“…This study demonstrates a very high circulation rate in the choroid, and also a rapid reabsorption of dye which has leaked from the choriocapillaris. The findings are in agreement with previous fluorescein angiographic studies (Hyvarinen et al 1969;Archer et al 1970).…”

“…The earlier appearance of the dye in the choroidal circulation (Archer et al 1970) than in the retinal artery is confirmed. Moreover the vessels of the optic disc fill with dye before the retinal arterioles, indicating that the main vascular supply to the optic disc comes from the choroidal circulation.…”

Choroidal Absorption Angiography With Patent Blue V

“…This study demonstrates a very high circulation rate in the choroid, and also a rapid reabsorption of dye which has leaked from the choriocapillaris. The findings are in agreement with previous fluorescein angiographic studies (Hyvarinen et al 1969;Archer et al 1970).…”

“…The earlier appearance of the dye in the choroidal circulation (Archer et al 1970) than in the retinal artery is confirmed. Moreover the vessels of the optic disc fill with dye before the retinal arterioles, indicating that the main vascular supply to the optic disc comes from the choroidal circulation.…”

Indocyanine Green Angiography of Submacular Choroidal Vessels in the Human Eye

“…So far, it is not proved whether those watershed zones which were observed in monkey eyes also exist in human eyes, with the exception of a vertical line dividing the nasal and the temporal regions observed by several investigators [26][27][28][29][30][31], In the present study we have shown that there exists a hori zontal division, running through the fovea and the papilla, in the early filling phase of the choroid. Two angiograms of type II and eight angiograms of type III show this divi sion, which must be interpreted as a wa tershed zone between the short posterior cil iary arteries supplying the upper and lower half of the fovea.…”

Choroidal Thickness Analysis in Patients with Usher Syndrome Type 2 Using EDI OCT

“…Although previous studies reported that choroidal arteries and choriocapillaris under macular region fill more rapidly and intensely compared to other retinal locations, supporting the concept that thicker choroidal thickness under the fovea is due to macular higher metabolic request [ 13 ]; however, similarly to Yeoh et al [ 14 ] and Dhoot et al [ 7 ], our study did not show any correlation between SFCT and visual acuity. We also could not find any correlation between SFCT and presence/absence of outer retinal layer or macular edema.…”

Choroidal Absorption Angiography With Patent Blue V

“…This study demonstrates a very high circulation rate in the choroid, and also a rapid reabsorption of dye which has leaked from the choriocapillaris. The findings are in agreement with previous fluorescein angiographic studies (Hyvarinen et al 1969;Archer et al 1970).…”

“…The earlier appearance of the dye in the choroidal circulation (Archer et al 1970) than in the retinal artery is confirmed. Moreover the vessels of the optic disc fill with dye before the retinal arterioles, indicating that the main vascular supply to the optic disc comes from the choroidal circulation.…”

Indocyanine Green Angiography of Submacular Choroidal Vessels in the Human Eye

“…So far, it is not proved whether those watershed zones which were observed in monkey eyes also exist in human eyes, with the exception of a vertical line dividing the nasal and the temporal regions observed by several investigators [26][27][28][29][30][31], In the present study we have shown that there exists a hori zontal division, running through the fovea and the papilla, in the early filling phase of the choroid. Two angiograms of type II and eight angiograms of type III show this divi sion, which must be interpreted as a wa tershed zone between the short posterior cil iary arteries supplying the upper and lower half of the fovea.…”

Choroidal Thickness Analysis in Patients with Usher Syndrome Type 2 Using EDI OCT

“…Although previous studies reported that choroidal arteries and choriocapillaris under macular region fill more rapidly and intensely compared to other retinal locations, supporting the concept that thicker choroidal thickness under the fovea is due to macular higher metabolic request [ 13 ]; however, similarly to Yeoh et al [ 14 ] and Dhoot et al [ 7 ], our study did not show any correlation between SFCT and visual acuity. We also could not find any correlation between SFCT and presence/absence of outer retinal layer or macular edema.…”

Choroidal Absorption Angiography With Patent Blue V

“…This study demonstrates a very high circulation rate in the choroid, and also a rapid reabsorption of dye which has leaked from the choriocapillaris. The findings are in agreement with previous fluorescein angiographic studies (Hyvarinen et al 1969;Archer et al 1970).…”

“…The earlier appearance of the dye in the choroidal circulation (Archer et al 1970) than in the retinal artery is confirmed. Moreover the vessels of the optic disc fill with dye before the retinal arterioles, indicating that the main vascular supply to the optic disc comes from the choroidal circulation.…”

Indocyanine Green Angiography of Submacular Choroidal Vessels in the Human Eye

“…So far, it is not proved whether those watershed zones which were observed in monkey eyes also exist in human eyes, with the exception of a vertical line dividing the nasal and the temporal regions observed by several investigators [26][27][28][29][30][31], In the present study we have shown that there exists a hori zontal division, running through the fovea and the papilla, in the early filling phase of the choroid. Two angiograms of type II and eight angiograms of type III show this divi sion, which must be interpreted as a wa tershed zone between the short posterior cil iary arteries supplying the upper and lower half of the fovea.…”

Choroidal Thickness Analysis in Patients with Usher Syndrome Type 2 Using EDI OCT

“…Although previous studies reported that choroidal arteries and choriocapillaris under macular region fill more rapidly and intensely compared to other retinal locations, supporting the concept that thicker choroidal thickness under the fovea is due to macular higher metabolic request [ 13 ]; however, similarly to Yeoh et al [ 14 ] and Dhoot et al [ 7 ], our study did not show any correlation between SFCT and visual acuity. We also could not find any correlation between SFCT and presence/absence of outer retinal layer or macular edema.…”