Characterization of Soft Contact Lens Edge Fitting during Daily Wear Using Ultrahigh-Resolution Optical Coherence Tomography

Joint Authors

Cui, Lele
Shen, Meixiao
Chen, Sisi
Zhou, Weihe
Sheng, Kaixuan
Zhang, Lei
Li, Ming

Source

Journal of Ophthalmology

Issue

Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-6, 6 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2018-05-13

Country of Publication

Egypt

No. of Pages

6

Main Subjects

Medicine

Abstract EN

Purpose.

To determine conjunctival overlap over the edge of soft contact lens and to visualize the peripheral postlens tear film (PoLTF) underneath soft contact lenses using ultrahigh-resolution optical coherence tomography (UHR-OCT).

Methods.

Twenty participants (4 males and 16 females, 23.0 ± 3.7 years) were fitted with two different types of soft contact lenses randomly.

The limbus with lens was imaged with the UHR-OCT at the horizontal meridian every two hours up to 6 hours during lens wear.

The conjunctival overlap was ranked as the percentage of the edge covered by the conjunctiva.

The frequency of occurrence for visualized peripheral PoLTF was determined.

Results.

The average conjunctival overlaps at insertion were 49% and 73% for galyfilcon A and balafilcon A lenses and increased significantly to 84% and 90% by 6 hours of lens wear (P<0.001).

Lenses with rounded edges had more conjunctival overlap than the lenses with angled edges (P=0.014).

There were significant decreases for PoLTF on the conjunctiva (P=0.014) and peripheral cornea (P=0.004) over the study period compared to insertion.

The percentage of subjects with PoLTF on the conjunctiva (32.5%) and peripheral cornea (36%) were greater in subjects wearing balafilcon A lenses (P=0.017).

Conclusions.

Increased conjunctival overlap over the lens edges and reduced PoLTF underneath the peripheral region of soft contact lenses were shown during lens daily wear.

The lens edge configuration may play a role in conjunctival response and peripheral PoLTF.

American Psychological Association (APA)

Cui, Lele& Chen, Sisi& Zhou, Weihe& Sheng, Kaixuan& Zhang, Lei& Shen, Meixiao…[et al.]. 2018. Characterization of Soft Contact Lens Edge Fitting during Daily Wear Using Ultrahigh-Resolution Optical Coherence Tomography. Journal of Ophthalmology،Vol. 2018, no. 2018, pp.1-6.
https://search.emarefa.net/detail/BIM-1196458

Modern Language Association (MLA)

Cui, Lele…[et al.]. Characterization of Soft Contact Lens Edge Fitting during Daily Wear Using Ultrahigh-Resolution Optical Coherence Tomography. Journal of Ophthalmology No. 2018 (2018), pp.1-6.
https://search.emarefa.net/detail/BIM-1196458

American Medical Association (AMA)

Cui, Lele& Chen, Sisi& Zhou, Weihe& Sheng, Kaixuan& Zhang, Lei& Shen, Meixiao…[et al.]. Characterization of Soft Contact Lens Edge Fitting during Daily Wear Using Ultrahigh-Resolution Optical Coherence Tomography. Journal of Ophthalmology. 2018. Vol. 2018, no. 2018, pp.1-6.
https://search.emarefa.net/detail/BIM-1196458

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-1196458