<prompt> Following are thyrotoxicosis signs EXCEPT -Infrequent blinkingInability to converge the eyeballsVisible upper scleara on looking straightStridor on gently pressing lobes of thyroid  <response>: In hypehyroidism, lagging of the upper eyelid as the eye looks downward, impairment of convergence, and retraction of the upper eyelid and infrequent blinking may be present. Page 1910, Nelson textbook of pediatrics 19th edition 