|Articles|October 15, 2001

Ring Segments Useful for Contact Lens-Intolerant Keratoconus

BELO HORIZONTE, BRAZIL-Intrastromal implantation of two semicircular ring segments (Ferrara ring) is a safe and effective method for long-term correction of contact lens intolerance in keratoconus patients, said Paulo F. Cunha, MD, PhD, inventor of the Ferrara Intrastromal Ring and clinic director, Center for Advanced Ophthalmology, Belo Horizonte, Brazil.

Don’t miss out—get Ophthalmology Times updates on the latest clinical advancements and expert interviews, straight to your inbox.

Subscribe Now!

Latest CME

In-Person + Virtual Event

Join us at The Optometry Meeting in Boston this October

October 10, 2025

In-Person + Virtual Event

Optometrists: Earn COPE CE Credits in Portland or Virtually

October 16-17, 2025

In-Person + Virtual Event

Join us at The Ophthalmology Meeting in Orlando this October

October 18, 2025

In-Person Event

20th Annual Controversies in Modern Eye Care

April 19, 2026

Ring Segments Useful for Contact Lens-Intolerant Keratoconus

Newsletter

Latest CME

Join us at The Optometry Meeting in Boston this October

Optometrists: Earn COPE CE Credits in Portland or Virtually

Join us at The Ophthalmology Meeting in Orlando this October

20th Annual Controversies in Modern Eye Care

(CME Track) Clinical Consultations™: Framing a New Approach to Geographic Atrophy Management – Expert Insights into Recent Developments

(COPE Track) Clinical Consultations™: Framing a New Approach to Geographic Atrophy Management – Expert Insights into Recent Developments

(CME Track) Rapid Reviews in Retina™: Emerging Updates from Winter 2025 – Addressing the Wealth of New Data in Treatments for nAMD and DME

(COPE Track) Rapid Reviews in Retina™: Emerging Updates from Winter 2025 – Addressing the Wealth of New Data in Treatments for nAMD and DME

Living With X-Linked Retinitis Pigmentosa: What We Can Learn From a Patient’s Experience

(CME Track) Collaborative Community Connections™: Mastering the Management of nAMD and DME Through Therapeutic Innovation

Living With X-Linked Retinitis Pigmentosa: What We Can Learn From a Patient’s Experience

(COPE Track) Collaborative Community Connections™: Mastering the Management of nAMD and DME Through Therapeutic Innovation

Navigating the Glaucoma Therapeutic and Surgical Landscape: From Conventional to Cutting-Edge

(CME Track) Neurotrophic Keratitis: Multidisciplinary Approaches to Enhance Patient Outcomes

(COPE Track) Neurotrophic Keratitis: Multidisciplinary Approaches to Enhance Patient Outcomes

(CME Track) The Neural Network: Exploring The Role of Neuromodulation in Dry Eye Disease Management

(COPE Track) The Neural Network: Exploring The Role of Neuromodulation in Dry Eye Disease Management

(CME Track) Toric IOLs Unleashed: From Technological Progress to Patient Success

(CME Track) Clinical Case Connections: Understanding the Impact of Advances in Treatment for DME and DR

(CME Track) Clinical Case Connections: Expert Insights on Applying Therapeutic Innovations in nAMD

(COPE Track) Toric IOLs Unleashed: From Technological Progress to Patient Success

(COPE Track) Clinical Case Connections: Expert Insights on Applying Therapeutic Innovations in nAMD

(COPE Track) Clinical Case Connections: Understanding the Impact of Advances in Treatment for DME and DR

(CME Credit) Navigating Pharmacological Presbyopia Treatment for Enhanced Patient Care

Neurotrophic Keratitis Insights: An Interactive Corneal Sensitivity Testing Workshop

(COPE Credit) Navigating Pharmacological Presbyopia Treatment for Enhanced Patient Care

(COPE Track) Small Mites, Big Impact: Revolutionizing Demodex Blepharitis Care

(CME Track) Small Mites, Big Impact: Revolutionizing Demodex Blepharitis Care

Rapid Reviews in Retina™: Emerging Updates from Spring 2025—Addressing the Wealth of New Data in Treatments for Neovascular Retinal Disease

Interventional Dry Eye: A Stepwise Treatment & Management Approach

(CME Track) The Evolution of MacTel Management: Integrating Neuroprotective Therapies Into Clinical Practice

(CME Track) Rapid Reviews in Retina™: Emerging Updates from Summer 2025—Addressing the Wealth of New Data in Treatments for Neovascular Retinal Disease

(CME Track) Collaborating Across the Continuum™: Best Practices in Patient-Centric Team Management of XLRP

(CME Track) Community Collaborative Connections™: Optimizing the Collaborative Care of Neovascular Retinal Disease in a New Age of Treatment

(CME Track) A Forward Look at Anti-VEGF Therapies: A Paradigm Shift in Neovascular Retinal Disease Management

Navigating Advances in Neovascular Retinal Disease: Translating Evidence to Practice in AMD, DME, and RVO

Rapid Reviews in Retina™: Emerging Updates from Winter 2024 – Addressing the Wealth of New Data in Treatments for nAMD and DME (Cope Credit)

Rapid Reviews in Retina™: Emerging Updates from Winter 2024 – Addressing the Wealth of New Data in Treatments for nAMD and DME (CME Track)

Interventional Glaucoma: The Convergence of Surgical Innovation and Therapeutic Hope

(CME) Optimizing Management of Ocular Toxicity in Cancer Patients: The Role of Ophthalmologists in the Spectrum of Care

Community Practice Connections™: Transforming Treatment in nAMD, DME, and DR – Keeping an Eye on Optimal Outcomes

(COPE) Optimizing Management of Ocular Toxicity in Cancer Patients: The Role of Ophthalmologists in the Spectrum of Care

Expert Perspectives on Technological Advances in Cataract Surgery

Expanding Treatment Options for Demodex Blepharitis: Patient-Centric Approaches to Therapy

Expanding Treatment Options for Demodex Blepharitis: Patient-Centric Approaches to Therapy

Burst CME™ Part 3: Initiating Early Intervention in Patients With Glaucoma Who Fail Pharmacological Therapy

(CME Credit) Community Practice Connections™: Applying Advances in Neovascular Retinal Disease - Expanding Treatment Intervals & Enhancing Outcomes

Interventional Glaucoma Treatment: Evolving Paradigms for Addressing Unmet Needs

(CME Track) Burst CME™ Part 1: Insights Into Glaucoma and the Need for Early Intervention

Interventional Glaucoma Treatment: Evolving Paradigms for Addressing Unmet Needs

(COPE Credit) Community Practice Connections™: Applying Advances in Neovascular Retinal Disease - Expanding Treatment Intervals & Enhancing Outcomes

(CME Track) Neurotrophic Keratitis in Focus – From Early Recognition to Strategic Intervention

(COPE Track) Neurotrophic Keratitis in Focus – From Early Recognition to Strategic Intervention

(CME Track) Leveraging Rho Kinase Inhibition in Glaucoma Management — How Can Novel Treatment Pathways Impact Patient Outcomes?

(COPE Track) Leveraging Rho Kinase Inhibition in Glaucoma Management — How Can Novel Treatment Pathways Impact Patient Outcomes?

Rapid Reviews in Retina™: Emerging Updates from Fall 2024 - Addressing the Wealth of New Data in Treatments for nAMD and DME

EnVision Summit

(CME Track) The TED Perspective: A Multidisciplinary Approach to Thyroid Eye Care

(CME Credit) Time Matters in GA: The Impact of Early Detection and Proactive Treatment Approaches

(CME Track) Revolutionizing nAMD and DME Management: Collaborative Strategies in the Age of Durable Treatments

(CME Track) Visionary Approaches: Rethinking Therapeutic and Interventional Glaucoma Management

(COPE Credit) Time Matters in GA: The Impact of Early Detection and Proactive Treatment Approaches

Practical Approaches to Modern Dry Eye Treatment and Management

(CME Track) Expanding Horizons in Toric IOLs: Translating Technological Advances Into Improved Patient Outcomes

(CME Track) Patient-Centered Treatment Strategies in the Management of nAMD and DME

(CME Track) The Neural Frontier: Mapping Neurostimulation Across the DED Patient Spectrum for Refractive Surgery

(COPE Track) Patient-Centered Treatment Strategies in the Management of nAMD and DME

(COPE Track) Expanding Horizons in Toric IOLs: Translating Technological Advances Into Improved Patient Outcomes

(COPE Track) The Neural Frontier: Mapping Neurostimulation Across the DED Patient Spectrum for Refractive Surgery

(COPE Track) Revolutionizing nAMD and DME Management: Collaborative Strategies in the Age of Durable Treatments

(COPE Track) Visionary Approaches: Rethinking Therapeutic and Interventional Glaucoma Management

(COPE Track) The TED Perspective: A Multidisciplinary Approach to Thyroid Eye Care

Collaborative Care Symposium

Trending on Ophthalmology Times - Clinical Insights for Eye Specialists

Lupin signs definitive agreement to acquire VISUfarma

Positive pediatric data emerge from the OPGx-LCA5 phase 1/2 trial of Leber congenital amaurosis type 5

Vizz officially launches in the United States