2K views · 18 reactions | Von Graefe's sign is the lagging of the upper eyelidon downward rotation of the eye, indicating exophthalmic goiter (Graves' Disease) It is a dynamic sign, whereas lid lag is a static sign which may also be present in cicatricial eyelid retraction or congenital ptosis..! #ophthalmology #vongraefesign #gravesdisease #exophthalmicgoiter #lidlag #ptosis #mbbs #help #mbbshelp | MBBS Help | Facebook

VON GRAEFE TEST: The Von Graefe phoria test is a common clinical method to measure heterophoria (a latent eye turn) by using prisms to dissociate the eyes and have the patient align two separate images. HOW IT WORKS: Setup: The patient looks at a fixation target through a phoropter or trial frame at a specific distance (e.g., 6 meters for distance, 40 cm for near). Prism placement: A vertical prism (like a 12Δ base-up) is placed before one eye to vertically separate the images. A horizontal pris

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24K views · 152 reactions | Urgent appeal to help Baby Chien for his eye laser surgery! Donate at (https://give.asia/movement/6-years_old_boy_is_in_pain_now_and_going_totally_blind) | Give.Asia | Facebook