Opthalmology - MD Browse

Opthalmology

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Ophthalmology

Pupil

Hammond C.J., Snieder Harold, Spector Tim D, Gilber C.E. (St. Thomas’s Hospital, London; Inst. Of Ophthalmology)

Factors affecting pupil size after dilatation: the Twin Eye Study.

Br J Opthalmology 2000;84:1173-1176.



Pupil size after mydriasis is largely genetically determined with a heritability of up to 80%.



506 twin pairs, 226 monozygotic (MZ) and 280 dizygotic (DZ) aged 49-79 were examined.



Dilated pupil size was more highly correlated in MZ compared with DZ twins.

Iris colour did NOT significantly contribute to the variance in dilatation.

Speciality Spotlight

Ophthalmology

Pupil

Hammond C.J., Snieder Harold, Spector Tim D, Gilber C.E. (St. Thomas’s Hospital, London; Inst. Of Ophthalmology)
Factors affecting pupil size after dilatation: the Twin Eye Study.
Br J Opthalmology 2000;84:1173-1176.

Pupil size after mydriasis is largely genetically determined with a heritability of up to 80%.

506 twin pairs, 226 monozygotic (MZ) and 280 dizygotic (DZ) aged 49-79 were examined.

Dilated pupil size was more highly correlated in MZ compared with DZ twins.
Iris colour did NOT significantly contribute to the variance in dilatation.

By Scott Allen|2022-07-20T16:42:02+00:00July 20, 2022|Uncategorized|Comments Off

About the Author: Scott Allen

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