Signs of eyelid retraction Occurs in about 50% Bilaterallid retraction Bilaterallid retraction No associated proptosis.Bilateral proptosis Unilateral lid retraction ·Lid lag in downgaze Unilateral proptosis Signs of eyelid retraction Occurs in about 50% • Bilateral lid retraction • No associated proptosis • Bilateral lid retraction • Bilateral proptosis • Lid lag in downgaze • Unilateral lid retraction • Unilateral proptosis