True statement about dysthyroid eye disease (grave's ophthalmopathy) is -
Extreme exophthalmos :- In hypothyroidism
Mild exophthalmos :- In hyperthyroidism (thyrotoxicosis , Grave's disease).
Decreased power of divergence
Most common cause of unilateral proptosis in < 25 years age group
Extreme exopthalmos is usually seen in hypothyroidism
On looking upwards lower lid does not follow eye movements