apical clearance
clearance, apical
The distance between the posterior surface of a contact lens and the apex of the cornea. See apical bearing.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
Mentioned in
?
References in periodicals archive
?
* Apical clearance over the central cornea (optimum fit has little or no touch in rigid zone of lens--total corneal clearance--see Figure 5)
* Apical clearance over the central cornea with little / no touch in the RGP portion of the lens (Figure 6)
* Apical clearance over the central cornea with little/no touch in the RGP portion of the lens.
Medical browser
?
- ▲
- aphthoid
- aphthong
- aphthongia
- aphthosis
- aphthous
- Aphthous stomatitis
- aphthous ulcer
- aphthous ulcers
- Aphthovirus
- aphylactic
- aphylaxis
- aphyllous
- API
- Apiaceae
- APIC
- apical
- apical (bronchopulmonary) segment S I
- apical abscess
- apical angle
- apical area
- apical axillary lymph nodes
- apical bearing
- apical bronchus
- apical cap
- apical cap sign
- apical clearance
- apical complex
- apical crowding
- apical cyst
- apical delta
- apical dominance
- apical ectodermal ridge
- apical foramen
- apical foramen of tooth
- apical growth
- apical heave
- apical hypertrophic cardiomyopathy
- apical infection
- apical ligament
- apical ligament of dens
- apical membrane
- apical meristem
- apical murmur
- apical odontoid ligament
- apical periodontal cyst
- apical periodontitis
- apical pneumonia
- apical process
- apical pulse
- apical region
- apical segmental artery of superior lobar artery of right lung
- ▼
Full browser
?
- ▲
- apical abscess
- apical angle
- apical angle
- apical angle
- apical area
- apical area
- apical area
- apical area
- apical area
- apical area
- apical axillary lymph nodes
- Apical Ballooning Cardiomyopathy
- apical base
- apical base
- apical base
- apical base
- apical base
- apical base
- apical bearing
- apical branch of inferior lobar branch of right pulmonary artery
- apical branch of right superior pulmonary vein
- apical bronchopulmonary segment S I
- apical bronchus
- apical bud
- apical canaliculus
- apical canaliculus
- apical canaliculus
- apical canaliculus
- apical cap
- apical cap sign
- apical clearance
- apical complex
- apical crowding
- apical curettage
- apical curettage
- apical curettage
- apical cyst
- apical cyst
- apical cyst
- apical delta
- apical delta
- apical delta
- Apical dendrite
- apical dental foramen
- apical dental ligament
- apical diastolic murmur
- apical diastolic murmur
- apical diastolic murmur
- apical diastolic murmur
- apical dominance
- apical dominance
- apical dominance
- apical dystrophy
- Apical ectodermal ridge
- Apical ectodermal ridge
- Apical ectodermal ridge
- Apical ectodermal ridge
- apical extension of junctional epithelium
- apical fenestration
- apical fenestration
- apical fenestration
- ▼