Lente de contato de material híbrido em pacientes com ceratocone e astigmatismo miópico composto

Leal, Fernando; Lipener, César; Chalita, Maria Regina; Uras, Ricardo; Campos, Mauro; Hofling-Lima, Ana Luísa

doi:10.1590/s0004-27492007000200012

Cited by 4 publications

(3 citation statements)

References 29 publications

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“…Analyzing the lenses data, it was found that all soft lenses reached a good comfort and only one RGP lens adapted reached the same. It goes in accordance with data found in the literature that refer higher comfort for soft lenses (21) .…”

Section: Discussionsupporting

confidence: 93%

Contact lenses fitting after intracorneal ring segments implantation in keratoconus

Moreira

Bardal

Crisigiovanni³

2013

Arq. Bras. Oftalmol.

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Section: Discussionsupporting

confidence: 93%

Contact lenses fitting after intracorneal ring segments implantation in keratoconus

Moreira

Bardal

Crisigiovanni³

2013

Arq. Bras. Oftalmol.

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“…A hybrid contact lens consists of a rigid corneal lens and a peripheral soft skirt to combine the optical benefits of corneal rigid lenses and the comfort provided by soft contact lenses. Early generation hybrid lenses were often associated with decreased comfort, complications due to the use of low oxygen permeability materials, and reduced durability of the GP/soft material interface [337][338][339]. Current hybrid lens designs, such as the ClearKone (Synergeyes, USA) or the Eyebrid (LCS laboratories, France), have overcome some of these issues, but are still not widely utilised in keratoconus management [340].…”

Section: Hybrid Contact Lensesmentioning

confidence: 99%

Keratoconus: An updated review

Santodomingo-Rubido

Carracedo

Suzaki

et al. 2022

Contact Lens and Anterior Eye

193

110

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Keratoconus is a bilateral and asymmetric disease which results in progressive thinning and steeping of the cornea leading to irregular astigmatism and decreased visual acuity. Traditionally, the condition has been described as a noninflammatory disease; however, more recently it has been associated with ocular inflammation. Keratoconus normally develops in the second and third decades of life and progresses until the fourth decade. The condition affects all ethnicities and both sexes. The prevalence and incidence rates of keratoconus have been estimated to be between 0.2 and 4,790 per 100,000 persons and 1.5 and 25 cases per 100,000 persons/year, respectively, with highest rates typically occurring in 20-to 30-year-olds and Middle Eastern and Asian ethnicities. Progressive stromal thinning, rupture of the anterior limiting membrane, and subsequent ectasia of the central/paracentral cornea are the most commonly observed histopathological findings. A family history of keratoconus, eye rubbing, eczema, asthma, and allergy are risk factors for developing keratoconus. Detecting keratoconus in its earliest stages remains a challenge. Corneal topography is the primary diagnostic tool for keratoconus detection. In incipient cases, however, the use of a single parameter to diagnose keratoconus is insufficient, and in addition to corneal topography, corneal pachymetry and higher order aberration data are now commonly used. Keratoconus severity and progression may be classified based on morphological features and disease evolution, ocular signs, and index-based systems. Keratoconus treatment varies depending on disease severity and progression. Mild cases are typically treated with spectacles, moderate cases with contact lenses, while severe cases that cannot be managed with scleral contact lenses may require corneal surgery. Mild to moderate cases of progressive keratoconus may also be treated surgically, most commonly with corneal crosslinking. This article provides an updated review on the definition, epidemiology, histopathology, aetiology and pathogenesis, clinical features, detection, classification, and management and treatment strategies for keratoconus.

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“…However due to irregular corneal topography the fitting of RGP lenses in these eyes is difficult and requires more chair time 9. For the same reason, it is also important to make an appropriate choice of contact lens design 1011121314…”

Section: Discussionmentioning

confidence: 99%

Rose-K versus soper contact lens in keratoconus: A randomized comparative trial

Gupta

Sinha

Singh

et al. 2014

Middle East Afr J Ophthalmol

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Purpose:To perform a comparative evaluation of the efficacy and acceptability of Rose-K and Soper contact lenses in Keratoconus.Setting:Dr. Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi.Materials and Methods:A randomized comparative clinical trial was performed in keratoconic eyes fitted with Rose-K (Rose-K group) and Soper (Soper group) contact lenses. Patients data were evaluated for best spectacle corrected visual acuity, best contact lens corrected visual acuity (BCLCVA), corneal topography, glare acuity, contrast sensitivity, tear function tests and specular microscopy. Patients were also asked to complete a self-reported comfort questionnaire at each visit.Results:Sixty eyes were randomized to the Rose-K and Soper groups. The two groups were comparable in all the baseline parameters. There was a statistically significant improvement in BCLCVA in both groups at 3 months (P < 0.01, both groups). The difference between in BCLCVA in both groups was not statistically significant. In both groups, there was a significant improvement in the comfort score at 3 months compared to baseline (P < 0.05, both group). The Rose-K group had statistically significantly better scores at 1 and 3 months compared with the Soper group (P = 0.006 and P < 0.001 respectively). Both groups were associated with a significant (P < 0.01), but comparable improvement in glare acuity at 3 months. There was a significant improvement in contrast sensitivity at 3 months in both groups (P < 0.01); the Rose-K group was significantly better than the Soper group at 1 and 3 months (P = 0.001 and 0.002 respectively). The mean number of trial lenses required for fitting Rose-K lens (2.00 ± 0.59) was significantly lower than the Soper lens (3.43 ± 0.82; P < 0.001).Conclusion:Both the contact lens designs provide an equal improvement in visual acuity in patients with Keratoconus. However, Rose-K contact lens provides greater comfort, better quality of vision and requires less chair time compared with the Soper lens and hence may possibly have a greater acceptability.

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Lente de contato de material híbrido em pacientes com ceratocone e astigmatismo miópico composto

Cited by 4 publications

References 29 publications

Contact lenses fitting after intracorneal ring segments implantation in keratoconus

Contact lenses fitting after intracorneal ring segments implantation in keratoconus

Keratoconus: An updated review

Rose-K versus soper contact lens in keratoconus: A randomized comparative trial

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