Let's go into these terms in more detail. TRAUMA The eye is excised after severe ocular trauma if no potential for visual recovery exists. This will include the orbit, extraocular muscles, lacrimal system, and optic nerves. It can affect any part of the eye (such as the conjunctiva, inside structure, or globe of the eye) of older adults. That's called the nictitating membrane, or third eyelid. Bling for your eyes, ocular adnexa, is a term that refers to accessory structures of the eyes. Common ocular adnexal lesions in HIV … Occasionally, special examinations may be required to identify specific ocular disorders or to establish the presence of associated systemic disease. Adnexa are accessory structures which are involved in protecting and/or supporting the function of an organ. How to use ocular in a sentence. - Definition & Explanation, Anisocoria: Definition, Causes & Symptoms, Cerumen: Definition, Function & Impaction Removal, Dysarthria: Definition, Types & Treatment, Exophthalmos: Definition, Causes & Treatment, Nasal Polyps: Symptoms, Causes & Treatment, Perseveration of Speech: Definition, Example & Treatment, Presbycusis: Definition, Symptoms & Treatment, Presbyopia: Definition, Symptoms & Treatment, Speech Apraxia: Definition, Symptoms & Treatment, What Is Astigmatism? The eyebrows, eyelids, eyelashes, lacrimal gland and drainage apparatus all play a crucial role with regards to globe protection, lubrication and minimising the risk of ocular infection. - Causes, Symptoms & Treatment, Human Anatomy & Physiology: Help and Review, Biological and Biomedical eyelids and eyelashes. 'Ocular' refers to eyes and 'adnexa' is a Latin term meaning 'fasten to' and in this case refers to accessory structures attached to the eye itself. Working Scholars® Bringing Tuition-Free College to the Community, eyelids, which help protect your eyes from the environment. - Definition & Types, Chemoreceptors: Definition, Location & Function, What Are Mucous Membranes? Human Anatomy: Adult Education Programs Summary. The eye and peri-ocular tissues are extremely specialised. With certain visual disorders, the image may be correctly imaged by the eye, but misinterpreted by the brain. The term is derived from the Latin annexere , to tie on. 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