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Characteristics and clinical outcomes of patients diagnosed with keratocone

ABSTRACT

Objectives:

To describe the epidemiological and clinical profile, evolution and outcomes of keratoconus patients diagnosed in the ophthalmologic reference service of the state of Santa Catarina, Brazil.

Methods:

The medical records of all patients with keratoconus attended at the Cornea service of the Regional Hospital of São José, between January 2016 and December 2018 were retrospectively analyzed. The following data were extracted: sex, age, disease stage, systemic diseases, ophthalmological symptoms, adaptation of contact lenses, previous treatments, best monocular visual acuity, keratometric measurements, ophthalmological procedures, clinical outcomes.

Results:

The medical records of 267 patients were analyzed. The average age was 23 years (range: 06 - 60 years), 159 (59.55%) were male. 12 (4.49%) patients had already performed penetrating keratoplasty; 22 (8.24%) had performed crosslinking; 07 (2.62%) had already an intrastromal ring implant. 81 (30.34%) patients had already adapted contact lenses. 168 (62.92%) had best corrected visual acuity, of the better eye, equal to or greater than 20/40. A distribution between cases was found light, moderate and severe of: 03 (1.12%), 78 (29.21%), 157 (58.80%), respectively. Throughout the period, a total of 51 (73,9%) corneal transplants, were performed 09 (90,0%) intrastromal ring implants, 35 (32,4%) crosslinking, 22 (23,4%) contact lens adaptations were performed; 205 (76.77%) patients lost follow-up, 12 (4.49%) were discharged.

Conclusion:

The patients are mostly young, with moderate to severe illness and good visual acuity in the best eye. Even so many received a surgical management. The loss of clinical follow-up is an important factor in the quality of ophthalmic care in this population.

Keywords:
Keratoconus/epidemiology; Tertiary referral center

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