Meibomian orifices and Marx's line Studied by Triple Vital Staining

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Abstract
The ciliary margins of the lower lids have been vital stained by the lipid-specific Sudan III powder, fluorescein 0.1% and the bottom of the lacrimal river (Marx''s line) by lissamine green 1% in 100 cases. The Meibomian orifices are situated in a straight row just in front of the Marx''s line in the lipid phase. With increasing age (> 50 years) the orifices are more often displaced and also discharge their lipid in the depth of the aqueous phase. The number averaged 21.5 in the lipid phase and 1.7 in the aqueous phase. Active orifices staining with lipid were found in 45% of all orifices in normals, independent of age, and were increased in conjunctivitis in the lipid phase. Lissamine green-stained orifices were independent of age, phase and diagnosis. The anterior edge of Marx''s line may run an irregular course in elderly normals (> 50 years), significantly more often in conjunctivitis and blepharitis.

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