02.12.2012 Views

Squint Free Papers - aioseducation

Squint Free Papers - aioseducation

Squint Free Papers - aioseducation

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>Squint</strong> <strong>Free</strong> <strong>Papers</strong><br />

dilated pupils, we assumed that 7 applications of atropine were enough to<br />

produce complete cycloplegia. Ideally, a clinician should routinely perform<br />

dynamic retinoscopy to confirm complete cycloplegia for every patient<br />

especially if less potent cycloplegic agent is used. In this study, atropine was<br />

not associated with any severe systemic side effects.<br />

In one patient who had esotropia with nonaccommodative convergence<br />

excess, the esotropia persisted under cycloplegia. The esotropia persisted for<br />

smaller as well as larger size of the accommodative targets and on the torch<br />

light evaluation. It was evident that atropinic cycloplegia was unable to abolish<br />

excessive convergence in that patient. It was less likely to be due to incomplete<br />

cycloplegia because, in this patient, we had confirmed complete cycloplegia<br />

using dynamic retinoscopy and dynamic autorefractometry. 6<br />

In conclusion, measurement of ocular deviation under cycloplegia can<br />

be helpful to differentiate the accommodative component from the nonaccommodative<br />

component in patients with esotropia and hyperopia. In this<br />

study we could reliably differentiate the patients with esotropia and hyperopia<br />

who would achieve orthotropia by full refractive correction alone (59.1%). An<br />

ophthalmologist can inform the parents accordingly. Of the remaining 40.9%,<br />

how many would be controlled by the fusional divergence or will need prisms<br />

or will need a squint surgery can be known from the follow up. The effect of<br />

other cycloplegic agents and the utility of measurement of ocular deviation<br />

under cycloplegia in accommodative esotropes pursuing a refractive surgery<br />

need further studies.<br />

REFERENCES<br />

1. Von Noorden G K, Campos E C. Esodeviations. In: von Noorden G K, Campos<br />

E C, Editors, Binocular Vision and Ocular Motility. Theory and management of<br />

strabismus. 6th ed. St. Louis: Mosby. 1990;pp 311-55.<br />

2. Vivian A J, Lyns C J, Burke J. Controversy in the management of convergence<br />

excess esotropia. Br J Ophthalmol 2002;86:923-9.<br />

3. American Academy of Ophthalmology. Preferred Practice Pattern. Amblyopia.<br />

Guidelines for prescribing eye glasses for young children. 2002;6.<br />

4. Birch E E. Binocular Sensory Outcomes in Accommodative E T. J AAPOS<br />

2003;7:369-73.<br />

5. Mcgregor MLK. Autonomic drugs. In: Mauger T F, Craig EL, editors. Havener’s<br />

ocular pharmacology. 6th ed. St. Louis: Mosby: 1994. pp 53-171.<br />

6. Manny RE, Chandler DL, Scheiman MM, Gwiazda JE, Cotter SA, Everett DF, et;<br />

al. Accommodative lag by autorefraction and two dynamic retinoscopy methods.<br />

Optom Vis Sci. 2009;86:233-43.<br />

7. Nemet P. Ocular deviation under atropine cycloplegia as a predictor of<br />

accommodative component of esotropia. In: Lenerstrand G, editor: Update on<br />

949

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!