Podcast Summary

New Books Network

Episode Title: Dan Roche, "Eyes by Hand: Prosthetics of Art and Healing" (MIT Press, 2025)
Host: Dr. Miranda Melcher
Guest: Dr. Dan Roche
Release Date: September 5, 2025

Episode Theme Overview

This episode explores the fascinating and little-known world of prosthetic eyes—a field at the crossroads of medical innovation, art, craftsmanship, and profound human experience. Dr. Dan Roche, himself a prosthetic eye wearer, discusses his new book "Eyes by Hand: Prosthetics of Art and Healing," reflecting upon the intertwined narratives of eye makers, wearers, and the art and science behind ocular prosthetics. Through personal stories, historical context, and examination of current and future developments, the episode provides a detailed, empathetic look into a unique field that sits at the heart of technical, artistic, and emotional healing.

Key Discussion Points & Insights

Dr. Dan Roche’s Journey and Book Genesis

• Personal Motivation: Dr. Roche shares, "I had a sort of what I call a bad eye for my whole life... In 2009, I eventually had that eye removed and got a prosthetic eye. ...I immediately saw this as a subject that I would like to write about." (02:29)
• Interdisciplinary Lens: His background in both engineering and writing fueled his interest in a topic at the intersection of art and technology.

The History of Artificial Eyes

• Ancient Beginnings: Early attempts by Greeks and Egyptians were "very crude," often held on with cloth or springs. (05:17)
• Progress through Centuries:
  • 16th century: Emergence of metal eye covers that could fit into the socket.
  • 1700s: Venetian glassblowers produce thin glass shells—uncomfortable and non-custom.
  • Early 19th century: Porcelain eyes, still largely non-individualized.
  • Mid-1800s: Switch from one-size-fits-all to custom-fitted prostheses, improving comfort and movement. (05:17–10:00)

Evolving Materials, Methods, and Innovations

• Early Surgical Hesitation: Eye removal was avoided due to risk until anatomical advances allowed safer surgery in the 1800s.
• Implant Development:
  • Glass balls (Mules implant, 1880s) followed by experimentation with aluminum, silver (which turned skin blue), wax, paraffin, fat grafts, and others—each with pros and cons.
  • Late 20th century: Use of sea coral for implants, later replaced by synthetic materials with similar porous structures to support integration and longevity. (10:16–19:16)
• Custom Fitting: Shift from empirical, hand-shaped glass eyes to precise, impression-based acrylic eyes.

The Reign—and Decline—of the "Glass Eye"

• German Dominance: “Germany dominated the glass eye industry and market for maybe 80 years or so. ...the Germans had just made sort of an art of it too.” (21:01)
• World Wars’ Impact: Wartime cutoffs led to shortages; dentures and dental acrylics led to the first acrylic eyes, which then replaced glass as the main material worldwide post-WWII.
• Acrylic vs Glass:
  • Acrylic eyes: More durable, can last decades, precisely fitted.
  • Glass eyes: Still prized by some, notably in Germany, but require more frequent replacement and have distinct fitting/polishing methods. (21:01–29:12)

The Art and Intimacy of Ocularistry

• Fitting Process (Acrylic): Begins with a socket impression, creation and adjustment of a wax model, leading to an acrylic eye with hand-painted detail. (29:23–36:04)
• Fitting Process (Glass): Empirical, based on visual inspection and artistic estimation—a blend of science and craft.

The Psychological and Emotional Impact

• Transformation for Wearers: Dr. Roche describes his own experience as "euphoric," saying: “I looked in the mirror and...I had two symmetrical eyes pointing the same direction. One of the most common things, you know, we see every day. But I had never seen it with myself.” (36:22–41:41)
• Restored Confidence:
  • Personal testimony and those of others highlight dramatic changes in self-perception, confidence, social ease, and willingness to appear in family photographs or public situations.
  • “It does make a huge difference psychologically...an eye is…front and center. It’s what you look at.” (41:43)

Profession of the Ocularist

• Pathways and Training:
  • Highly specialized: “In the United States and Canada, there are about 170 certified professional ocularists.”
  • Mostly trained by apprenticeship (5 years/10,000 hours), often family-run, multigenerational businesses. (44:27)
• Diverse Backgrounds: Besides family traditions, entrants may come from art, pastry making, or be inspired by documentaries or personal experience.

Community & Professional Collaboration

• Ocularist Conferences:
  • Share techniques, new materials, artistic methods, history presentations, and psychological aspects of care.
  • Topics range from technical skills (polishing, painting) to trauma/PTSD support and new surgical methods. (52:24)
• Role as Last Step: Ocularists are often the final participant in a patient’s lengthy medical journey, potentially offering healing beyond the physical.

The Future: Technology and Human Touch

• 3D Printing and AI:
  • 3D scanning and printing can already create custom-fit prosthetics efficiently and cheaply.
  • Potential loss: “The real loss...would be the loss of that time and that intimacy with somebody who can sort of be there to help you through that transition of losing an eye and getting a replacement.” (57:09–63:19)
  • Roche analogizes it to buying glasses: online efficiency versus the value of personal, expert guidance.

What’s Next?

• Restoring Vision: Dr. Roche is interested in researching current efforts toward actual vision restoration—such as eye transplants, lab-grown retinas, and the neural complexities of visual perception. (63:32)

Notable Quotes & Memorable Moments

• “I’m always on the lookout for topics that kind of bridge that gap or divide between the technical and the artistic, and prosthetic eyes did that beautifully.”
  — Dan Roche (02:29)

• “[Glass eyes] were shaped like half a bird’s egg and just kind of a shell that was the same for the left eye, the right eye...They were uncomfortable. And because they didn’t fit very well, they didn’t have much movement either...It just stared straight ahead, which is a little freaky for people and confusing.”
  — Dan Roche (05:17–10:00)

• “When World War I began, a lot of the supply of glass eyes to the rest of the world got cut off...There was a glass eye famine in Britain and the United States.”
  — Dan Roche (21:01)

• “The acrylic eye kind of pushed out glass eyes in most of the world…some ocularists in Germany…their response was just, ‘glass is better’...”
  — Dan Roche (25:43)

• “I found it incredibly healing to have that as part of the process and to have it be that long and that intense and that intimate really.”
  — Dan Roche, on sitting for his prosthesis fitting (36:22)

• “I can look in the mirror…and I’ve done this many times…look in the mirror and forget which eye is real and which one is not. So I know it fools me sometimes. And I’ve had many people say, ‘Oh, I never would have known.'”
  — Dan Roche (41:41)

• “There aren’t very many ocularists in the world…about 170 certified professional ocularists [in the US and Canada]...you have to do an apprenticeship for it…and it’s a little guild, I always think of it.”
  — Dan Roche (44:27)

• “The real loss, if that ever came to pass, would be the loss of that time and that intimacy with somebody who can…help you through that transition of losing an eye and getting a replacement.”
  — Dan Roche (63:19)

Timestamps for Important Segments

• 02:29 — Dr. Roche’s personal journey and reason for writing the book
• 05:17 — Early history of prosthetic eyes: Egyptians to 19th century
• 10:16 — Advances in surgical removal, implants, and prosthetics (19th–20th centuries)
• 21:01 — German dominance, glass eye manufacture, and transition to acrylic
• 29:23 — Differences between glass and acrylic fitting processes
• 36:22 — Psychological healing: Dr. Roche’s personal account
• 44:27 — Becoming and training as an ocularist
• 52:24 — Ocularist conferences: topics and professional community
• 57:09 — The future: 3D printing, AI, and risks to the human element
• 63:32 — Roche’s upcoming interests: investigating efforts to restore actual vision

Tone & Language

The conversation is warm, thoughtful, and often personal, blending technical clarity with empathy. Both Dr. Melcher and Dr. Roche maintain a respectful, curious, and accessible dialogue, with Roche’s storytelling and reflective tone making scientific content engaging and deeply human.

This summary provides a full picture of the episode’s content, from the art and science of artificial eyes to their emotional and societal significance, and the evolving future of the field.