What are ocular adnexa?
The ocular adnexa include the eyelids, conjunctiva, lacrimal apparatus, and orbital soft tissue. One percent of all lymphomas and approximately 8% of all extranodal lymphomas arise in the ocular adnexa and their incidence is increasing.
Where is the ocular adnexa?
orbit
Lesson Summary Bling for your eyes, ocular adnexa, is a term that refers to accessory structures of the eyes. The ocular adnexa include: The orbit, which is where the eyeball sits inside the skull. The bones that make up the orbit include the maxilla (upper jaw bone) and the zygomatic bones (cheekbones)
What is adnexa in anatomy?
The adnexa is the region adjoining the uterus that contains the ovary and fallopian tube, as well as associated vessels, ligaments, and connective tissue. Pathology in this area may also be related to the uterus, bowel, or retroperitoneum, or metastatic disease from another site.
What is globe of eye?
The globe of the eye, or bulbus oculi, is the eyeball apart from its appendages. A hollow structure, the bulbus oculi is composed of a wall enclosing a cavity filled with fluid with three coats: the sclera, choroid, and the retina.
What are the ocular muscles?
There are seven extraocular muscles – the levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, lateral rectus, inferior oblique and superior oblique. Functionally, they can be divided into two groups: Responsible for eye movement – Recti and oblique muscles.
What are the adnexal structures?
The adnexa are made up of the fallopian tubes and ovaries. Cysts are fluid-filled structures that can develop in the adnexa.
Can you see with a ruptured globe?
It is difficult to predict the extent of visual loss after a ruptured globe. The sooner a ruptured globe is repaired, the higher the chance that there will be some vision after the injury. However, if the injury is severe, often vision does not return.
Is ocular lymphoma curable?
The prognosis for ocular lymphoma depends on the tumor’s histologic type and stage, as well as on the treatment employed. In general, with modern treatment of patients with NHL, the overall survival rate at 5 years is approximately 60%.
How many ocular muscles are there?
six muscles
There are six muscles that attach to the eye to move it. These muscles originate in the eye socket (orbit) and work to move the eye up, down, side to side, and rotate the eye. The superior rectus is an extraocular muscle that attaches to the top of the eye.
What is the name of the fluid behind the cornea?
The aqueous humor is a clear watery fluid that fills the front part of the eye, behind the cornea. The vitreous humor is a thick, gel-like substance that fills the back of the eye, between the lens and retina.
How often are adnexal masses malignant?
In postmenopausal women, 30 percent of adnexal masses are malignant. Ovarian cancer is rare in premenopausal women. Other etiologies, such as functional cysts, leiomyomata, and ectopic pregnancy, are more common and can cause significant morbidity.