Ординатура / Офтальмология / Английские материалы / Fixing My Gaze_colour images_Barry, Sacks_2010
.pdf
FIXING MY GAZE:
VISION THERAPY FOR
STRABISMUS
Susan R. Barry, Ph.D.
Professor of Biological Sciences
and Neuroscience
Mount Holyoke College
South Hadley, MA. 01075
sbarry@mtholyoke.edu
The straight-ahead direction is not where either eye is pointing.
Copyright by Margaret Nelson.
2/4/2010
Copyright by Margaret Nelson
Images that fall on corresponding retinal points are interpreted as coming from the same place in space.
Copyright by Margaret Nelson.
Diplopia and Visual Confusion.
Figure by Margaret Nelson.
1
2/4/2010
From: http://www.3dgear.com/scsc/movies/audience.jpg
http://www.edcenter.sdsu.edu/cs575viz/viewmaster.gif
From Eye to Brain.
http://www.nmr.mgh.harvard.edu/~rhoge/HST583/doc/VisualCortex.jpg
Esotropia (crossed eyes) is not present at birth.
4, 543 newborn babies examined.
No cases of esotropia found that persisted through infancy.
Nixon RB, Helveston EM, Miller K, Archer SM, Ellis FD. Incidence of strabismus in neonates. American Journal of Ophthalmology 100 (1985): 798–801.
Archer SM, Sondhi N, Helveston EM. Strabismus in infancy. Ophthalmology 96 (1989): 133–37.
http://web.mit.edu/bcs/schillerlab/research/A-Vision/A12-5.htm
Ocular dominance histograms in area V1of normal and strabismic cats.
From: Hubel, 1988, Eye, Brain, and Vision
Did I have a monocular brain?
2
2/4/2010
1.Importance of eye posture in stereoscopic perception.
2.Approach fusion training from the the point where the patient demonstrates an attempt at
normal binocular behavior.
Press LJ, 1997. Applied
Concepts in Vision Therapy.
Polaroid Vectogram: Each eye sees one rope circle (quoit).
SB |
Pre (Nov. 20, 2001) |
Post (2009) |
Vergence range |
Not measurable. |
Base in/Base out vergence |
|
||
|
|
ranges >30 distance and |
|
|
near. |
From: http://www.screensavers.com/Home/Nature/Landscapes/Fall+Colors/Autumn+Forest+Path/index.html?SS_ID= 11801_12875_12878_102004
3
2/4/2010
Right Eye |
Left Eye |
Right Eye |
Left Eye |
Neuron |
Neuron |
Neuron |
Neuron |
VT
(LONG TERM POTENTIATION)
Weakly binocular neuron |
Strongly binocular neuron |
Princesse Albert de Broglie, née Joséphine-Eléonore-Marie-Pauline de Galard de Brassac de Béarn by
Jean Auguste Dominique Ingres (1780-1867).
Qualitative stereopsis: Even objects located outside Panum's fusional area are seen in stereoscopic depth.
Objects located outside Panum’s fusional area are seen as double.
These two lines bracket |
Horopter |
Panum’s fusional area. |
|
Objects lying within these |
|
lines are seen as single. |
|
|
|
http://www.kulakane302.com/images/views%20from%20Kulakane/Panoramic%20vie w%20from%20lanai%20-%20full%20resolution.jpg
Motion Parallax
From: Roy J-P, Komatsu H, Wurtz RH, 1992. J. Neurosci. 12: 2478-2492.
From: http://movies.radiofree.com/photos/star_wars_revenge_of_the_sith_10333.jpg
4
2/4/2010
Constraint-induced movement therapy: the transfer package is most important.
http://gardenstatept.com/sitebuildercontent/
sitebuilderpictures/cit.jpg
From: http://spaceinfo.jaxa.jp/db/kaihatu/shuttle/shuttle_g/sts-72-2.jpg
Barn owl.
http://www.memorylossonline.com/glossary/basalforebrain.jpg
http://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Speaker_Icon.svg/500px-Speaker_Icon.svg.png
http://www.taconic.com/user-assets/Images/Producs-Services/white2_rat.jpg
http://www.coloradocollege.edu/IDProg/Neuroscience/Rat%20brain%20images/plate%2045.jpg
5
