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The homozygous mutation causes prenatal onset of recurrent fractures of the ribs and long bones, demineralization, decreased ossification of the skull, and blue sclerae; it is clinically type II or type III. [77] Family members who are heterozygous for OI XVI may have recurrent fractures, osteopenia and blue sclerae. [77] [78]
[This is not a comprehensive list] It can be useful to enquire about symptoms of osteogenesis imperfecta, as Type I Dentinogenesis Imperfecta (Shield's Classification) is associated with osteogenesis imperfecta. [2] Notable information includes: History of bone fracture caused by minimal trauma; Short stature; Blue sclera; Hearing loss [2] [5]
Intraocular hemorrhage is classified based on the location of the bleeding: Hyphema (in the anterior chamber); Suprachoroidal hemorrhage (SCH) is a rare complication of intraocular surgery in which blood from the ciliary arteries enters the space between the choroid and the sclera.
Subconjunctival bleeding initially appears bright red underneath the transparent bulbar conjunctiva. Later, the bleeding may spread and become green or yellow as the hemoglobin is metabolized.
The diffuse type of episcleritis may be less painful than the nodular type. Sometimes, small nodules are present within the episclera, which move slightly over the sclera with gentle pressure. [5] Discharge is absent with episcleritis, and vision is unaffected. [5] Patients with episcleritis experience far less photophobia than patients with ...
The prognosis is poor if liver, spleen, lung, or bone marrow is affected. [7] A good response to chemotherapy within the first six weeks of treatment, has been found to indicate a better prognosis. In some people the condition is life-threatening. [7] Hence, follow-up is long-term. [7]
When the pterygium is removed, the tissue that covers the sclera known as the Tenons layer is also removed. Auto-grafting covers the bare sclera with conjunctival tissue that is surgically removed from an area of healthy conjunctiva. That "self-tissue" is then transplanted to the bare sclera and is attached using sutures or tissue adhesive.
Iridodialyses are usually caused by blunt trauma to the eye, [2] but may also be caused by penetrating eye injuries. [7] An iridodialysis may be an iatrogenic complication of any intraocular surgery [10] [11] [12] and at one time they were created intentionally as part of intracapsular cataract extraction. [13]