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2. Objective measurement of small angles of strabismus in infants and children with photographic reflection pattern evaluation. Barry JC, Effert R, Kaupp A. Ophthalmology; 1992 Mar; 99(3):320-8. PubMed ID: 1565443 [Abstract] [Full Text] [Related]
5. Self-assessment of angles of strabismus with photographic Purkinje I and IV reflection pattern evaluation. Effert R, Barry JC, Colberg R, Kaupp A, Scherer G. Graefes Arch Clin Exp Ophthalmol; 1995 Aug; 233(8):494-506. PubMed ID: 8537025 [Abstract] [Full Text] [Related]
7. [Detection and diagnosis of small ocular misalignment with the Purkinje reflex pattern method]. Barry JC, Effert R, Hoffmann N. Klin Monbl Augenheilkd; 1996 Mar; 208(3):167-80. PubMed ID: 8699775 [Abstract] [Full Text] [Related]
9. A photographic technique for measuring horizontal and vertical eye alignment throughout the field of gaze. Quick MW, Boothe RG. Invest Ophthalmol Vis Sci; 1992 Jan; 33(1):234-46. PubMed ID: 1730544 [Abstract] [Full Text] [Related]
11. Calibration of the Hirschberg test in human infants. Riddell PM, Hainline L, Abramov I. Invest Ophthalmol Vis Sci; 1994 Feb; 35(2):538-43. PubMed ID: 8113004 [Abstract] [Full Text] [Related]
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13. [Vertical strabismus and methods for its treatment]. Aubakirova AZh. Oftalmol Zh; 1990 Feb; (4):221-3. PubMed ID: 2255500 [Abstract] [Full Text] [Related]
16. [Systemic bias in the photographic assessment of the first purkinje image]. Becker R, Gräf M. Klin Monbl Augenheilkd; 2006 Apr; 223(4):294-6. PubMed ID: 16639666 [Abstract] [Full Text] [Related]