A partial dislocation of a lens is termed lenssubluxation or subluxatedlens; a complete dislocation of a lens is termed lens luxation or luxated lens. … Lenssubluxation is also seen in dogs and is characterized by a partial displacement of the lens. … Other signs of lenssubluxation include mild conjunctival redness, vitreous humour degeneration, prolapse of the vitreous into the anterior chamber, and an increase or decrease … 
If the lenssubluxation is subtle then imaging with high-resolution ultrasound biomicroscopy might be used. … Eyes Weakness of suspensory ligament of the eye may cause subluxation of lens, which is a common clinical feature in patients. … Nearsightedness and blurred vision are common, but farsightedness can also result particularly if the lens is highly subluxated.
The most common symptoms in the overall population of patients were cognitive impairments and problems with the lens of the eye. … Prominent symptoms include a marfanoid habitus, downward dislocation of the lens, pectus excavatum or carinatum, mental retardation and thromboembolic events. … retardation, thromboembolic events that can eventually lead to aphasia, hemiplegia, pseudobulbar palsy or ataxia, features of Marfan's syndrome, ectopia lentis (dislocation of the lens … 
Involvement of the cervical spine may lead to C2,C3 subluxations or fusion of the posterior ligaments of the spine. … Possible complications due to polyarticular JIA include high-level subluxation, accelerated bone age with increased epiphyseal size and narrowing of the joint spaces.
Ultrasound biomicroscopy (UBM) can be useful in cases of iridodonesis and subluxation of the lens. … by iris movements on the lens surface. … PEX has been known to cause a weakening of structures within the eye which help hold the eye's lens in place, called lens zonules.