Lateral rectus palsy is characterized by –
Correct Answer: Uncrossed diplopia
Description: First see the difference between phoria and tropia. Suffix phoria is used in latent squint, e.g. esophoria and exophoria. Suffix tropia is used in manifest squints (concomitant and paralytic) e.g. esotropia or exotropia.
Diplopia is a feature of paralytic esotropia or exotropia but not concomitant esotropia / exotropia or esophoria / exophoria (latent squint).
Uncrossed diplopia: - convergent squint (Esotropia) as in lateral rectus palsy.
Crossed diplopia: - Divergent squint (exotropia) as in medial rectus palsy.
Category:
Ophthalmology
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