Purpose: to study the anatomical findings of
normal eyelids tissues using ultrasound methods.
Material and Methods: 21 healthy subjects (42 eyes) in
age from 17 to 44 years old underwent ultrasound examination using Voluson 730
ultrasound system with 10-16 mHz probe. We performed transverse and
longitudinal B-scans to evaluate eyelid structures. Echographic density (ED) of
eyelid tissues and it’s thickness were measured. We used Color Doppler Imaging
(CDI) for eyelid blood-flow assessment.
Results: Ultrasound examination has
demonstrated the layer structure of normal eyelid. Skin with subcutaneous
tissue, orbicularis oculi muscle, tarsal plate, preaponeurotic fat and
conjunctival fornix evaluated using high frequency echography. The thickness of
superior eyelid was 2,90±0,2
mm, skin with subcutaneous tissue - 0,98±0,17 mm, orbicularis oculi
muscle - 0,76±0,1 mm,
tarsal plate with conjunctiva - 1,09±0,15 mm. Results of inferior eyelid examination
were the following: thickness of eyelid - 3,30±0,24 mm, skin with subcutaneous tissue - 1,12±0,16 mm, orbicularis oculi
muscle - 0,98±0,14 mm,
tarsal plate with conjunctiva - 1,19±0,17 mm. ED assessment of eyelid showed the following indices: epidermis - 99,7±22; papillary layer - 61,6±18,7; reticular layer with
hypoderma - 69,1±21; orbicularis oculi muscle -41,6±17; tarsal plate - 97,2±22.
CDI demonstrated vessels between anterior and posterior lamella of eyelid.
Conclusion: Ultrasound examination including ED
and CDI enable us to determine diagnostic criteria for eyelid assessment, which
can successfully implicate in ophthalmology.
