Square cardboard chart demonstrating light test for astigmatism in case of paralysis of left internal rectus
1891-1920
Square cardboard chart demonstrating light test for astigmatism in case of paralysis of right internal rectus
1891-1920
Square cardboard chart demonstrating light test in case of paralysis of right superior rectus
1891-1920
Square cardboard chart demonstrating light test in case of paralysis of right external rectus
1891-1920
Square cardboard chart demonstrating light test for astigmatism in case of paralysis of right inferior rectus
1891-1920
Square cardboard chart demonstrating
1891-1920
Square cardboard chart demonstrating
1891-1920
Square cardboard chart demonstrating light test for astigmatism in case of paralysis of left external rectus
1891-1920
Square cardboard chart demonstrating light test for astigmatism in case of paralysis of left superior rectus
1891-1920
Square cardboard chart demonstrating light test for astigmatism
1891-1920
Square cardboard chart demonstrating light test for astigmatism in case of paralysis of left superior oblique
1891-1920
Square cardboard chart demonstrating light test in case of paralysis of right superior oblique
1891-1920
Square cardboard chart demonstrating
1891-1920
