Identify this most common eyelid sign associated with Grave's ophthalmopathy

This 40 yr old female presented with palpitations and ghabrahat on n off since about 2 yrs....was found to have AF on ECG....What does the picture of this patient tell you about the possible etiology....

Spotter a 25/ f with protrusion of eyeballs and weight and hair loss, fever and tremors since 2 months

45yr / F, presented with c/o weight loss, palpitations, DOE since last six months. Her CXR, Echo, CBC, ASO, Urea, Creatinine, Electrolytes and Thyroid profile enclosed.

today saw this case.....h/o bulging of BE 3 months,loss of vn RE just after bulging,DOV LE since 2 Months o/e ocular movements restrictions in all gazes, severe proptosis BE,retraction of lids BE, severe conjunctival Chemosis and congestion RE>LE, cornea dried out RE, VA PL positive RE, 6/60 LE B Scan showing just thickened walls of BE balls MRI brain WNL your valuable opinions on diagnosis and management.