microphthalmos

[mi″krof-thal´mus]

a developmental defect causing moderate or severe reduction in size of the eye.

mi·croph·thal·mos

(mī'krof-thal'mos),

Abnormal smallness of the eye.

Synonym(s): microphthalmia, nanophthalmia, nanophthalmos

[micro + G. ophthalmos, eye]

Farlex Partner Medical Dictionary © Farlex 2012

microphthalmia

A congenital reduction in eye size, with the ocular bulb measuring 1/2 of the normal volume in extreme cases, due to an abnormal development of the optic vesicle in the optic cup.

Aetiology
• Congenital—e.g., encephalo-ophthalmic dysplasia, focal dermal hypoplasia, Hallermann-Streiff syndrome, incontinentia pigmenti, Lenz microphthalmia syndrome, retinopathy of prematurity, trisomy 13-15.
• Infectious—e.g., CMV, herpes, rubella, toxoplasmosis.
• Toxins—e.g., foetal alcohol syndrome.

Incidence
14/105; 3–11% of all cases of blindness.

mi·croph·thal·mos

(mī'krof-thal'mŏs)

Abnormal smallness of the eye.

[micro- + G. ophthalmos, eye]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

microphthalmos

The state of having an abnormally small eyeball. In severe degrees there is usually a gross defect of vision.

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

mi·croph·thal·mos

, microphthalmia (mī'krof-thal'mŏs, -mē-ă)

Abnormal smallness of the eye.

[micro- + G. ophthalmos, eye]

Medical Dictionary for the Dental Professions © Farlex 2012

Mentioned in

References in periodicals archive

Intraoperative performance and postoperative outcomes of cataract surgery in infant eyes with microphthalmos. J Cataract Refract Surg.

Outcomes of cataract surgery in Microophthalmia

Elder, "Aetiology of severe visual impairment and blindness in microphthalmos," British Journal of Ophthalmology, vol.

Absent Foveal Pit, Also Known as Fovea Plana, in a Child without Associated Ocular or Systemic Findings

Another diagnostic issue that has been debated in the literature is the distinction between nanophthalmos and posterior microphthalmos. Posterior microphthalmos is described as a subtype of microphthalmia, in which the axial length is shortened in the posterior segment only.

Nanophthalmos: A Review of the Clinical Spectrum and Genetics

Nitrofurantoins were associated with anophthalmia or microphthalmos, hypoplastic left heart syndrome, atrial septal defects, and cleft lip with cleft palate.

Most antibacterial drugs not associated with birth defects

Many listeners will fail to realise that Ryan is blind, having been born with microphthalmos -an undersized and undeveloped left eye, as well as anophthalmos of the right eye -where the eyeball is missing altogether.

Disabled not handicapped; Changing Attitudes, a week of programmes aimed at combating discrimination and developing awareness of issues surrounding disability, is being launched by Carlton television tomorrow. Andrew Davies talks to blind actor Ryan Kelly about living with disability and prejudice

Bilateral nanophthalmos, or simple microphthalmos, is a condition in which the total axial length of the eye is reduced.

Unexpected Autopsy Findings Arising From Postmortem Ocular Examination

Both were born with a form of microphthalmos, an extremely rare eye deformity.

Two little girls born in the shadow of controversy, but 13 years later they're still fighting for justice..

Prevalence rates for a microphthalmos are higher and are ranging between 1.4 and 3.5 per 10,000 births [4].

Management of Congenital Clinical Anophthalmos with Orbital Cyst: A Kinshasa Case Report

Children with traumatic cataract, retinopathy of prematurity, congenital glaucoma, microphthalmos, persistent fetal vasculature, Marfan's syndrome, and other anterior or posterior segment anomalies were excluded.

Effect of Timing of Initial Cataract Surgery, Compliance to Amblyopia Therapy on Outcomes of Secondary Intraocular Lens Implantation in Chinese Children: A Retrospective Case Series

(6%) of the cases in which CFP was indicated is due to congenital anomalies like microphthalmos, anophthalmos and in the cases of the Buphthalmos after the eye ball was removed surgically.

An evaluation of patient satisfaction with custom-fit prosthesis of eye in a tertiary eye care centre

Posterior microphthalmos. Bull Soc Belge Ophtalmol.

Spectral domain optical coherence tomography findings in posterior Microphthalmia/posterior mikroftalmide spektral domain optik koherens tomografi bulgulari

Bves Knockdown Results in Microphthalmos with Retinal Lamination Defect.

Knockdown of zebrafish blood vessel epicardial substance results in incomplete retinal lamination