WordNet

of or relating to the mental faculties
able to exist under more than one set of conditions; "a facultative parasite can exist as a parasite or a saprophyte"
granting a privilege or permission or power to do or not do something; "a facultative enactment"
not compulsory; "facultative courses in the sciences"
abnormal condition in which vision for distant objects is better than for near objects (同)hypermetropia, hypermetropy, farsightedness, longsightedness

PrepTutorEJDIC

全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.

1. 小児における屈折異常 refractive errors in children
2. 成人における視覚障害：屈折障害と老視 visual impairment in adults refractive disorders and presbyopia
3. レーザー屈折矯正手術 laser refractive surgery
4. 視神経の先天性および後天性異常 congenital anomalies and acquired abnormalities of the optic nerve
5. 閉塞隅角緑内障 angle closure glaucoma

Shippman S1, Weseley AC, Cohen KR.
Journal of pediatric ophthalmology and strabismus.J Pediatr Ophthalmol Strabismus.1993 Nov-Dec;30(6):368-71.
The accommodative convergence/accommodation (AC/A) ratio is thought to be fixed throughout life. We present 11 patients who, in adulthood, show a situational increase in their AC/A ratio. Since all patients had a history of accommodative esotropia with and without a nonaccommodative component, we fe
PMID 8120741

[The different forms of hypermetropia and the necessity of their precise correction (author's transl)].

Vörösmarthy D.
Klinische Monatsblätter für Augenheilkunde.Klin Monbl Augenheilkd.1978 Feb;172(2):215-22.
The author presents a detailed analysis of hypermetropia. He defines its three pathogenetically important forms:--facultative, relative and absolute, starting from the principles of Donders and based upon the dioptrics of Gullstrand. The author then deals with the pathological processes caused by hy
PMID 642385

Kettesy A.
Annals of ophthalmology.Ann Ophthalmol.1976 Jun;8(6):653-7.
Donders created 2 triads in connection with hypermetropia. The first is well known: Ht = Hm + H1. The second is a division into facultative, relative, and absolute hypermetropia. In present ophthalmic literature the second triad is confused with the first; the important member called relative hyperm
PMID 937946