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Exophthalmos (also called exophthalmus, exophthalmia, proptosis, or exorbitism) is a bulging of the eye anteriorly out of the orbit. Exophthalmos can be either bilateral (as is often seen in Graves' disease) or unilateral (as is often seen in an orbital tumor). Complete or partial dislocation from the orbit is also possible from trauma or ...
Buphthalmos (plural: buphthalmoses) is enlargement of the eyeball and is most commonly seen in infants and young children. It is sometimes referred to as buphthalmia (plural buphthalmias). [ 2 ] It usually appears in the newborn period or the first 3 months of life.
Vision may be severely compromised and the disorder is frequently associated with some ocular complications: nystagmus, amblyopia, buphthalmos, and cataract. [1] Aniridia in some individuals occurs as part of a syndrome, such as WAGR syndrome ( kidney nephroblastoma (Wilms tumour), genitourinary anomalies and intellectual disability), or ...
Buphthalmos and Haab's striae can often be seen in case of congenital glaucoma. [citation needed] Its diagnosis process typically involves an eye examination, including measurement of intraocular pressure, corneal diameter, and optic nerve assessment.
Central ulcers are typically caused by trauma, dry eye, or exposure from facial nerve paralysis or exophthalmos. Entropion, severe dry eye and trichiasis (inturning of eyelashes) may cause ulceration of the peripheral cornea. Immune-mediated eye disease can cause ulcers at the border of the cornea and sclera. These include Rheumatoid arthritis ...
An Exophthalmometer. An exophthalmometer is an instrument used for measuring the degree of forward displacement of the eye in exophthalmos.The device allows measurement of the forward distance of the lateral orbital rim to the front of the cornea. [1]
It should not be confused with its opposite, exophthalmos, which is the anterior displacement of the eye. It may be a congenital anomaly, or be acquired as a result of trauma (such as in a blowout fracture of the orbit), Horner's syndrome (apparent enophthalmos due to ptosis), Marfan syndrome, Duane's syndrome, silent sinus syndrome or phthisis ...
In medical literature, Anglo-Irish surgeon Robert James Graves, in 1835, was the first to describe the association of a thyroid goitre with exophthalmos (proptosis) of the eye. [29] Graves' ophthalmopathy may occur before, with, or after the onset of overt thyroid disease and usually has a slow onset over many months. [citation needed]