Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Structure of fovea centralis	Is a	Macula lutea structure	true	Inferred relationship	Some
Structure of fovea centralis	partie de	Entire macula lutea	false	Additional relationship	Some
Structure of fovea centralis	Laterality	Side (qualifier value)	true	Inferred relationship	Some

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Entire fovea centralis	Is a	True	Structure of fovea centralis	Inferred relationship	Some
Absent foveal reflex	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
Simultaneous perception	Finding site	False	Structure of fovea centralis	Inferred relationship	Some
Superimposition (finding)	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	2
Foveola	Is a	True	Structure of fovea centralis	Inferred relationship	Some
Subfoveal haemorrhage	Finding site	False	Structure of fovea centralis	Inferred relationship	Some	1
Congenital hypoplasia of fovea centralis (disorder)	Finding site	False	Structure of fovea centralis	Inferred relationship	Some	1
Subfoveal haemorrhage	Finding site	False	Structure of fovea centralis	Inferred relationship	Some	1
Congenital hypoplasia of fovea centralis (disorder)	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
Congenital hypoplasia of fovea centralis (disorder)	Finding site	False	Structure of fovea centralis	Inferred relationship	Some	2
Microphthalmia-retinitis pigmentosa-foveoschisis-optic disc drusen syndrome is a rare, genetic, non-syndromic developmental defect of the eye disorder characterized by the association of posterior microphthalmia, retinal dystrophy compatible with retinitis pigmentosa, localized foveal schisis and optic disc drusen. Patients present high hyperopia, usually adult-onset progressive nyctalopia and reduced visual acuity, and, on occasion, acute-angle glaucoma.	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	3
A rare genetic ocular disease characterized by congenital nystagmus (horizontal, vertical and/or torsional), foveal hypoplasia, presenile cataracts (with typical onset in the second to third decade of life), and normal irides. Corneal pannus and/or optic nerve hypoplasia may also be present.	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
A rare, genetic, eye disease characterized by foveal hypoplasia, optic nerve misrouting with an increased number of axons decussating at the optic chiasm and innervating the contralateral cortex, and posterior embryotoxon or Axenfeld anomaly (indicating anterior segment dysgenesis), in the absence of albinism. Patients present congenital nystagmus, decreased visual acuity, refractive errors and, occasionally, strabismus. Microphthalmia and retinochoroidal coloboma may also be associated.	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	3
Impending macular hole	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
A rare macular disorder characterized mostly by a variable degree of decreased visual acuity, jerk or pendular nystagmus, and typical ocular findings at imaging. The disease is usually bilateral. Rarely, nystagmus can be absent. Locally, the disease is characterized by underdeveloped foveal pit, absence of foveal pigmentation and/or foveal avascular zone, and persistence of inner retinal layers at the fovea, in absence of concomitant ocular or systemic pathology.	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
Myopic foveoschisis	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
Myopic foveoschisis	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	2
Atrophy of fovea centralis (disorder)	Finding site	True	Structure of fovea centralis	Inferred relationship	Some	1
Structure of fovea centralis of right eye	Is a	True	Structure of fovea centralis	Inferred relationship	Some
Structure of fovea centralis of left eye (body structure)	Is a	True	Structure of fovea centralis	Inferred relationship	Some

Reference Sets

Lateralizable body structure reference set (foundation metadata concept)

Anatomy structure and entire association reference set (foundation metadata concept)

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Id	Description	Lang	Type	Status	Case?	Module
111365015	Fovea centralis	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
500593012	Structure of fovea centralis	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
806727013	Structure of fovea centralis (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1232871016	Fovea centralis of retina	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1783832015	Centre of fovea	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1783833013	Centre of macula	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1784220016	Center of fovea	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1784221017	Center of macula	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core