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International Ophthalmology

Erschienen in:

01.12.2024 | Review

Higher order aberrations in keratoconus‏

verfasst von: Nir Erdinest, Naomi London, David Landau, Ramez Barbara, Adel Barbara, Shehzad A. Naroo

Erschienen in: International Ophthalmology | Ausgabe 1/2024

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Abstract

Introduction

Keratoconus is a progressive disorder of the cornea that causes thinning (Sedaghat et al. in Sci Rep 11(1):11971, 2021), ectasia, and irregular astigmatism, resulting in poor visual acuity that cannot be corrected with standard sphero-cylindrical spectacle lenses. One feature distinguishing keratoconic corneas is ocular aberrations, manifesting up to five or six times the amount of higher-order aberrations than a normal, healthy eye. These aberrations can cause visual disturbances even at the very early stages of the disease.

Methods

In the past, a diagnosis was derived from clinical symptoms, but technological advances have revealed multiple pre-clinical features, allowing for the differentiation between keratoconic and normal eyes at a much earlier stage. These include anterior and posterior corneal surface elevations, the corneal pachymetry profile, corneal epithelial patterns, wavefront aberration metrics, and corneal biomechanics (Sedaghat et al. in Sci Rep 11(1):11971, 2021).This review discusses the aberrations associated with keratoconus, how to measure them, and treatment methods to minimize their negative influence.

Conclusions

Early diagnosis can lead to early treatment and may allow for arresting progression, thereby improving the long-term prognosis. With the acceleration of refractive surgery, it is important to identify patients with keratoconus, as they are usually contraindicated for refractive surgery.

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Titel: Higher order aberrations in keratoconus‏
verfasst von: Nir Erdinest
Naomi London
David Landau
Ramez Barbara
Adel Barbara
Shehzad A. Naroo
Publikationsdatum: 01.12.2024
Verlag: Springer Netherlands
Erschienen in: International Ophthalmology / Ausgabe 1/2024
Print ISSN: 0165-5701
Elektronische ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-024-03118-5

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„standard operating procedures“ (SOP) – Vorschlag zum therapeutischen Management bei periokulären sowie intraokulären Metastasen

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Peri- sowie intraokuläre Metastasen sind insgesamt gesehen selten und meist Zeichen einer fortgeschrittenen primären Tumorerkrankung. Die Therapie ist daher zumeist palliativ und selten kurativ. Zudem ist die Therapiefindung sehr individuell. Die …

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Die Highlights vom Kongress des American College of Cardiology 2024

Springer Medizin

Higher order aberrations in keratoconus‏

Abstract

Introduction

Methods

Conclusions

Neu im Fachgebiet Augenheilkunde

Metastase in der periokulären Region

Staging und Systemtherapie bei okulären und periokulären Metastasen

Wundheilung nach Trabekulektomie

„standard operating procedures“ (SOP) – Vorschlag zum therapeutischen Management bei periokulären sowie intraokulären Metastasen

Update Augenheilkunde

Die Highlights vom Kongress des American College of Cardiology 2024

Springer Medizin

Abstract

Introduction

Methods

Conclusions

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Metastase in der periokulären Region

Staging und Systemtherapie bei okulären und periokulären Metastasen

Wundheilung nach Trabekulektomie

„standard operating procedures“ (SOP) – Vorschlag zum therapeutischen Management bei periokulären sowie intraokulären Metastasen

Update Augenheilkunde