Preferred Name

Presbyopia

Synonyms

presbyopia

老花眼

ID

http://www.tcmkg.com/ISPO/ISPO_00000289

database_cross_reference

UMLS:C0033075

definition

老花眼即老视是一种生理现象,不是病理状态也不属于屈光不正,是人们步入中老年后必然出现的视觉问题。是身体开始衰老的信号之一。随着年龄增长,眼球晶状体逐渐硬化、增厚,而且眼部肌肉的调节能力也随之减退,导致变焦能力降低。因此,当看近物时,由于影像投射在视网膜时无法完全聚焦,看近距离的物件就会变得模糊不清。老视眼的发生和发展与年龄直接相关,大多出现在45岁以后,其发生迟早和严重程度还与其他因素有关,如原先的屈光不正状况、身高、阅读习惯、照明以及全身健康状况等。即使注意保护眼睛,眼睛老花的度数也会随着年龄增长而增加,一般是按照每5年加深50度的速度递增。根据年龄和眼睛老花度数的对应表,大多数本身眼睛屈光状况良好,也就是无近视、远视的人,45岁时眼睛老花度数通常为100度,55岁提高到200度,到了60岁左右,度数会增至250度到300度,此后眼睛老花度数一般不再加深。

has_exact_synonym

presbyopia

老花眼

has_obo_namespace

symptoms

id

ISPO:00000289

label

Presbyopia

notation

ISPO:00000289

prefLabel

Presbyopia

subClassOf

http://www.tcmkg.com/ISPO/ISPO_00000188

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http://purl.obolibrary.org/obo/DOID_11638 DOID LOOM
http://purl.obolibrary.org/obo/MONDO_0001330 MONDO LOOM
http://purl.obolibrary.org/obo/MONDO_0001330 EFO LOOM
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http://purl.jp/bio/4/id/200906092961077530 IOBC LOOM
http://purl.bioontology.org/ontology/RCD/F474. RCD LOOM
http://purl.bioontology.org/ontology/ICD9CM/367.4 ICD9CM LOOM
http://purl.obolibrary.org/obo/DOID_11638 BAO LOOM
http://purl.obolibrary.org/obo/DOID_11638 HHEAR LOOM
http://purl.obolibrary.org/obo/DOID_11638 NIFSTD LOOM
http://purl.obolibrary.org/obo/DOID_11638 MIDO LOOM
http://purl.obolibrary.org/obo/DOID_11638 FNS-H LOOM
http://purl.bioontology.org/ontology/ICD10CM/H52.4 ICD10CM LOOM
http://id.nlm.nih.gov/mesh/D011305 MDM LOOM
http://www.owl-ontologies.com/NPOntology.owl#DOID_11638 NATPRO LOOM
http://purl.bioontology.org/ontology/SNOMEDCT/41256004 SNOMEDCT LOOM
http://purl.bioontology.org/ontology/MESH/D011305 MESH LOOM
http://purl.bioontology.org/ontology/MEDDRA/10036628 MEDDRA LOOM
http://sbmi.uth.tmc.edu/ontology/ochv#C0033075 OCHV LOOM
http://purl.obolibrary.org/obo/MONDO_0001330 DOVES LOOM
http://sbmi.uth.tmc.edu/ontology/ochv#10091 OCHV LOOM
http://purl.bioontology.org/ontology/ICD10/H52.4 ICD10 LOOM
http://phenomebrowser.net/ontologies/mesh/mesh.owl#C11.744.786 RH-MESH LOOM
http://www.phoc.org.cn/pmo/class/PMO_00037128 PMAPP-PMO LOOM
http://purl.obolibrary.org/obo/OMIT_0012262 OMIT LOOM
http://purl.bioontology.org/ontology/RCTV2/F474.00 RCTV2 LOOM
http://purl.bioontology.org/ontology/SNMI/DA-74150 SNMI LOOM