Toh Tze'Yo, Weatherhead Robert G
Clin Exp Ophthalmol. 2005 Oct;33(5):539-40. doi: 10.1111/j.1442-9071.2005.01079.x.
The association of an absent upper eyelid skin crease on downgaze with hypoglobus has not been described in the literature before. Herein a case of silent sinus syndrome that demonstrates this sign is described. The possible mechanism of such a sign is discussed.