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65194006: Night blindness (disorder)

SNOMED CT Concept\Clinical finding (finding)\...

\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye (disorder)\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Night blindness
\Head finding (finding)\Finding of head region\Globe finding\Retina finding (finding)\Retinal disorder\Night blindness
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye (disorder)\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Night blindness
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye (disorder)\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Night blindness

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Night blindness	Is a	Vision problem	false	Inferred relationship	Some
Night blindness	Is a	Retinal disorder	true	Inferred relationship	Some
Night blindness	Finding site	Retinal structure	true	Inferred relationship	Some	1
Night blindness	Is a	Blindness AND/OR vision impairment level	true	Inferred relationship	Some
Night blindness	Interprets	Vision observable (observable entity)	false	Inferred relationship	Some	1
Night blindness	Has interpretation	Abnormal	false	Inferred relationship	Some	2
Night blindness	Has interpretation	Impaired	false	Inferred relationship	Some	1
Night blindness	Interprets	Vision, function (observable entity)	false	Inferred relationship	Some	2
Night blindness	Interprets	Visual function	false	Inferred relationship	Some	1
Night blindness	Is a	Retina finding (finding)	false	Inferred relationship	Some
Night blindness	Interprets	Visual function	false	Inferred relationship	Some	1
Night blindness	Interprets	Visual function	false	Inferred relationship	Some	2
Night blindness	Interprets	Visual function	false	Inferred relationship	Some	1
Night blindness	Interprets	Visual function	false	Inferred relationship	Some	2

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Abnormal dark adaptation curve	Is a	True	Night blindness	Inferred relationship	Some
Acquired night blindness	Is a	True	Night blindness	Inferred relationship	Some
Oguchi's disease	Is a	False	Night blindness	Inferred relationship	Some
Unspecified night blindness	Is a	False	Night blindness	Inferred relationship	Some
Hereditary night blindness NOS	Is a	False	Night blindness	Inferred relationship	Some
Congenital night blindness NOS	Is a	False	Night blindness	Inferred relationship	Some
Abnormal dark adaptive curve NOS	Is a	False	Night blindness	Inferred relationship	Some
Night blindness NOS	Is a	False	Night blindness	Inferred relationship	Some
Chondroectodermal dysplasia with night blindness is a rare genetic bone development disorder characterized by proportionate short stature, nail dysplasia (enlarged, convex, hypertrophic nails), hypodontia and night blindness. Osteopenia, a tendency to present fractures, talipes varus with abnormal gait, ear infections, and watering eyes due to narrow tear ducts are frequently associated. Radiologically patients present delayed bone age on wrist X-rays, platyspondyly, and broad metaphyses of humeri with dense and thickened growth plates.	Is a	True	Night blindness	Inferred relationship	Some
Congenital stationary night blindness	Is a	True	Night blindness	Inferred relationship	Some
A rare genetic multiple congenital anomalies/dysmorphic syndrome with characteristics of slowly progressive night blindness, skeletal abnormalities (sloping shoulders, joint hyperextensibility, minor radiological anomalies) and characteristic facial features (periorbital anomalies, malar flatness, retrognathia). Additional manifestations include myopia and extinguished electroretinograms.	Is a	True	Night blindness	Inferred relationship	Some

This concept is not in any reference sets

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Id	Description	Lang	Type	Status	Case?	Module
108338011	Night blindness	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
108340018	Nyctalopia	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
804670017	Night blindness (disorder)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1788108010	Difficulty seeing at night	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1042801000195118	cecità notturna	it	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
588321000172116	cécité nocturne	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
391371000274115	Nachtblindheit	de	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
646591000274119	Nyktalopie	de	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module