Anterior segment optical coherence tomography for evaluation of cornea and ocular surface

Mittanamalli S Sridhar, Raul Martin, Mittanamalli S Sridhar, Raul Martin

Abstract

Current corneal assessment technologies make the process of corneal evaluation extremely fast and simple. Several devices and technologies allow to explore and manage patients better. Optical coherence tomography (OCT) technology has evolved over the years, and hence a detailed evaluation of anterior segment (AS) structures such as cornea, conjunctiva, tear meniscus, anterior chamber, iris, and crystalline lens has been possible in a noncontact and safe procedure. The purpose of this special issue is to present and update in the evaluation of cornea and ocular surface, and this paper reviews a description of the AS-OCT, presenting the technology and common clinical uses of OCT in the management of diseases involving cornea and ocular surface to provide an updated information of the clinical recommendations of this technique in eye care practice.

Keywords: Anterior eye; anterior segment-optical coherence tomography; cornea; dystrophy; keratoconus; ocular surface; tear film.

Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Anterior segment-optical coherence tomography of acute corneal hydrops showing Descemet's membrane tear and intrastromal cleft
Figure 2
Figure 2
Anterior segment-optical coherence tomography of same patient showing healing in response to injection of C3F8 gas
Figure 3
Figure 3
Anterior segment-optical coherence tomography of the same patient following healing of Descemet's membrane tear. Note the scleral contact lens
Figure 4
Figure 4
Anterior segment-optical coherence tomography of fungal keratitis
Figure 5
Figure 5
Anterior segment-optical coherence tomography of a patient with Wilson disease showing Kayser–Fleischer ring as hyperreflectivity of peripheral Descemet's membrane
Figure 6
Figure 6
Anterior segment-optical coherence tomography of patient with systemic sclerosis showing Descemet's membrane scarring and corneal edema

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