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Biomedical subjects

A C Tongue

Publications and source records attributed to A C Tongue.

8 recordsLinked to original sources
PubMed1989

Complications after surgery for congenital and infantile cataracts.

We reviewed the records of 78 patients who underwent 128 surgical procedures for congenital or infantile cataracts before age 30 months for the type and frequency of postoperative complications. The surgeries included 92 limbal lensectomies and anterior vitrectomies, 13 pars plicata lensectomies, 20 aspirations, and three additional procedures. Complications developed after 21 of the 105 lensectomy and anterior vitrectomy procedures. Ten eyes (10%) required additional surgery for a secondary membrane, 12 eyes (11%) developed glaucoma, and one (1%) developed a retinal detachment. Patients who underwent surgery by 8 weeks of age had a significantly greater number of complications (P less than .025). Patients undergoing cataract surgery early in life should be routinely examined for possible postoperative glaucoma. The best method for reducing secondary membrane formation and some types of glaucoma appears to be an extensive removal of the lens cortex, posterior capsule, and anterior vitreous.

Age Factors↗
PubMed1987

Congenital stationary night blindness presenting as Leber's congenital amaurosis.

Two siblings with autosomal-recessive congenital stationary night blindness were clinically blind in infancy. Both had markedly abnormal electroretinograms that, in the first child, led consultants at two university centers to make the diagnosis of Leber's congenital amaurosis. The patients had intermittent nystagmus and esotropia, but good photopic vision developed eventually. Scotopic vision was clearly defective in each child. Refractive error in both patients was close to emetropic in early infancy but became myopic by 1 year of age. Congenital stationary night blindness must be considered in the differential diagnosis of the blind infant.

Blindness↗
PubMed1987

Refractive errors in children.

Optical correction of refractive errors in infants and young children is indicated when the refractive errors are sufficiently large to cause unilateral or bilateral amblyopia, if they are impairing the child's ability to function normally, or if the child has accommodative strabismus. Screening for refractive errors is important and should be performed as part of the annual physical examination in all verbal children. Screening for significant refractive errors in preverbal children is more difficult; however, the red reflex test of Bruckner is useful for the detection of anisometropic refractive errors. The photorefraction test, which is an adaptation of Bruckner's red reflex test, may prove to be a useful screening device for detecting bilateral as well as unilateral refractive errors. Objective testing as well as subjective testing enables ophthalmologists to prescribe proper optical correction for refractive errors for infants and children of any age.

Adolescent↗