Identifying Early Glaucoma Symptoms Through Color Vision Testing
July 22, 2025
Discover how color vision testing can be a crucial tool for early detection and monitoring of glaucoma, potentially preserving vision and improving patient outcomes. The Importance of Early Glaucoma Detection Early detection of glaucoma is critical for preventing irreversible vision loss. Glaucoma is a group of eye conditions that damage the optic nerve, often due […]
Eye Care Physicians Can Offer Better, Total Patient Care By Implementing Oculomics – Part 2
July 3, 2025
Unlock the future of eye care with the integration of Oculomics, enhancing patient outcomes and overall health. The Revolution of Oculomics in Eye Care Oculomics, a cutting-edge field that leverages advanced ocular imaging and data analysis, is revolutionizing eye care. By analyzing eye-related biomarkers, oculomics provides insights into systemic health conditions that go beyond traditional […]
June Is Cataract Awareness Month: Understanding Cataracts And The Role Of Color Vision Testing In Surgery
May 30, 2025
June is Cataract Awareness Month, a time dedicated to understanding cataracts and highlighting the importance of early detection and treatment. Discover how color vision testing before and after cataract surgery can help assess the impact and effectiveness of the procedure. What Are Cataracts? Cataracts are a common eye condition where the natural lens of the […]
Understanding the Emerging Field of Oculomics – Part 1
May 21, 2025
The eye offers a unique window into systemic health, leading to the rapid growth of the field of oculomics, which promises revolutionary benefits for both eye care and general healthcare. The Eye as a Window to Systemic Health The concept of the eye as a window to systemic health dates back to the mid-19th century […]
Understanding Color Vision Deficiencies in Optic Nerve Disorders: A Closer Look at Glaucoma and Beyond
November 18, 2024
In this second part in our series about Acquired Color Vision Deficiencies we continue to discuss how color vision can be an early indicator of other ocular diseases. Here we look closer at optic nerve disorders, particularly glaucoma, and how they can lead to significant changes in color vision. Understanding these deficiencies is crucial for […]
Retinal Disorders and Color Vision
September 30, 2024
Retinal disorders, including cone dystrophies, rod dystrophies, diabetic retinopathy, and other related conditions, can have varying impacts on vision and specifically, color vision. Understanding these disorders helps in diagnosing and managing them effectively. Whether through genetic mutations or defects in retinal processes, these conditions highlight the complexity of our visual system and the need for […]
The Importance of Color Vision Differences in Jobs
September 12, 2024
By Rob Kittinger, PH.D. Many jobs involve successfully completing critical job tasks where the employee is required to have the ability to use trichromat color vision (normal vision). Individuals with normal vision are often at an advantage in these roles. However, employees with color vision deficiency (CVD) may experience challenges, including reduced accuracy, slower task […]
How to Help Children with Color Vision Deficiencies
February 3, 2021
Guest Authored by: Ekaterina Vargataia of ColorWill My child is colorblind what should I do? This is the first question that most parents have when they find out that their child is colorblind. Probably, like most parents with a colorblind child, you spent a lot of hours online looking for answers. This process can take weeks and […]
Dr. Dvorine’s Criticism of the HRR: A Letter to the Inter-Society Subcommittee on Color Blindness
January 26, 2021
Around 1955, Dr. Israel Dvorine wrote a letter to the Inter-Society Subcommittee on Color Blindness in regards to accepting the American Optical Hardy, Rand, Rittler color vision test, also known as the AOHRR. The AOHRR was no longer printed starting in 1957, in 1991 Richmond Products printed and copyrighted a replicated version of the AOHRR […]
The Evolution of Color Vision Testing (Ishihara, HRR, Dvorine, and more)
January 6, 2021
The Evolution of Color Vision Testing German researcher Jakob Stilling, developed “Stilling’s Colour Table” in 1877, the first color vision test based on pseudoisochromatic plates. He developed the plates right after Sweden’s infamous Lagerlunda train wreck in 1875. Two trains had collided, possibly because an engineer had been unable to distinguish between red and green signal lights. Dr. […]