Alacrima Clinical Presentation
- Author: Dan D DeAngelis, MD, FRCS(C); Chief Editor: Hampton Roy Sr, MD more...
History
- Patients with alacrima can have a wide spectrum of clinical presentations, from entirely asymptomatic and comfortable to presenting with debilitating symptoms of foreign body sensation, photophobia, ocular pain, and decreased visual acuity.
- Parents may notice that there is a history of crying without tears since birth.
- Information obtained from the history may be significant when alacrima is syndromic and associated with other findings.
Physical
Physical findings may be either ocular or systemic.
- Eyelids - Chronic blepharoconjunctivitis
- Tear film - Decreased/absent tear production
- Conjunctiva - Hyperemia, thick mucoid discharge, keratinization
- Cornea - Hypesthesia, interstitial keratitis, pannus, subepithelial opacities, infectious ulcers, corneal perforations
- Extraocular muscles - Palsies of cranial nerves III, IV, and VI
- Pupils - Anisocoria, tonic pupils
- Optic nerve - Optic atrophy
- Orbit - Absence of the orbital and/or palpebral lobe of the lacrimal gland
- Systemic findings
- Gastrointestinal - Xerostomia, achalasia, decreased salivation
- Neurologic - Peripheral and autonomic neuropathy
- Musculoskeletal - Osteoporosis, short stature
- Metabolic - Adrenocortical insufficiency
Causes
Etiologies can be separated into pathological mechanisms or syndromic associations.
- Mechanism
- Nuclear aplasia
- Failure of central nervous system/peripheral nervous system (CNS/PNS) innervation
- Lacrimal gland aplasia/hypoplasia
- Syndromic
- Isolated congenital alacrima
- Riley-Day syndrome - Familial dysautonomia
- Anhidrotic ectodermal dysplasia - Decreased sweating and salivation, heat intolerance, hypotrichosis
- Sjögren syndrome - Xerostomia, salivary gland enlargement, collagen-vascular disease association
- Allgrove (or triple-A) syndrome - Achalasia, alacrima, adrenocorticotropic hormone (ACTH) insensitivity, late neurologic manifestations
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