Unilateral Lid Retraction Without Exophthalmos

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Abstract
The clinical picture of unilateral retraction of the upper lid of one eye without other ocular abnormalities is so characteristic that it is immediately recognized by the examiner once he is aware of the entity. In this type of lid retraction, the margin of one of the upper eyelids is elevated above the limbus so that a band of sclera is readily visible on forward gaze (Fig. 1A). This elevation of the lid decreases on upward gaze and becomes more apparent on downward gaze (Fig. 1B). In addition to the retraction of the lid margin, there is marked prominence of the lid fold on downward gaze (Fig. 1B). The position of the lower lid margin is usually unaffected but may be slightly elevated (Fig. 2). These changes in the lids have been described in detail by Pochin.1-3 The aims of the present study were to determine

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