1. Variability of Doppler ophthalmic pressure index with occlusive carotid artery disease 
Andreas L. Strauss, MD, Horst Rieger, MD 
Journal of Vascular Surgery 
Volume 12, Issue 1, Pages (July 1990)
DOI: / (90)90369-L
Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2. Fig. 1
Diagram of ophthalmomanometry-Doppler device in place on orbital borders and of measurement procedure of systolic ophthalmic artery (OA) pressure. SA, subclavian artery; CCA, common carotid artery; ECA, external carotid artery; ICA, internal carotid artery; MFA, medial frontal artery.
Journal of Vascular Surgery  , 50-55DOI: ( / (90)90369-L)
Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3. Fig. 2
Correlation between measurements on day 1 versus day 2 for bilateral ophthalmic pressure index. SEE, standard error of estimate.
Journal of Vascular Surgery  , 50-55DOI: ( / (90)90369-L)
Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4. Fig. 3
Correlation between measurements on day 1 versus day 2 for bilateral differences in ophthalmic pressure index (right minus left without regard for arithmetic sign).
Journal of Vascular Surgery  , 50-55DOI: ( / (90)90369-L)
Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

5. Fig. 4
Individual changes in ipsilateral Doppler ophthalmic pressure index after carotid endarterectomy. Broken line represents the lower limit of normal ophthalmic pressure index.
Journal of Vascular Surgery  , 50-55DOI: ( / (90)90369-L)
Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions