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Purpose :To observe the form and number of the anterior ciliary vessels (ACV) in rectus muscles. To train technician in preservation and obsevation of ACV, so preservation can be done in caes with a risk of anterior segment ischemia (ASI). Methods:Curved foreign knife, iris hook, plastic rubber band and standard operating loupes (3x. ) or microscope were used in the surgery on 34 cases of comitant strabismus and 18 cases of paralytic strabismus.Results:The ACVs per muscle in medial, lateral, superior, inferior rectus were 3. 08,3. 26,3. 50 and 3. 50 respectively in 89 muscles of 52 surgical strabismus cases. All ACVs in 16 rectus muscles and 90 out of 220 ACVs in 73 rectus muscles were too small or too short to be dissected. The success rate of ACV preservation was 91. 5% (119/130). 105 out of 130 vessels were saved using loupe magnification and 14 pit pf 130 vessels were saved under operating microscope. Conclusions :The number of ACV in rectus muscles are more than 2 in our observation cases. The ACV
To train technician in preservation and obsevation of ACV, so preservation can be done in caes with a risk of anterior segment ischemia (ASI). Methods: To observe the form and number of the anterior ciliary vessels (ACV) in rectus muscles. Curved foreign knife, iris hook, plastic rubber band and standard operating loupes (3x.) Or microscope were used in the surgery on 34 cases of comitant strabismus and 18 cases of paralytic strabismus. Results: The ACVs per muscle in medial, lateral, superior , 3, 3, 3, 50, and 50 respectively in 89 muscles of 52 surgical strabismus cases. All ACVs in 16 rectus muscles and 90 out of 220 ACVs in 73 rectus muscles were too small or too The success rate of ACV preservation was 91. 5% (119/130). 105 out of 130 vessels were saved using loupe magnification and 14 pit pf 130 vessels were saved under operating microscope. Conclusions: The number of ACV in rectus muscles are more than 2 in our observati on cases. The ACV