The experience of blindness is not one-size-fits-all. A common distinction in the blind community is between those who were born blind (congenital blindness) and those who became blind later in life (adventitious blindness). These two paths lead to profoundly different ways of perceiving and interacting with the world. Conversations between Tommy Edison, a popular YouTuber blind since birth, and Christine Ha, the MasterChef Season 3 winner who lost her sight in adulthood, have helped highlight these differences in an accessible and engaging way.

Visual Memories and Conceptual Understanding

One of the most striking differences lies in the presence or absence of visual memories.

People born blind have never experienced sight, so concepts like color, light, or depth perception through vision are entirely abstract. They understand the world primarily through touch, sound, smell, taste, and spatial awareness. When asked what “red” means, someone like Tommy Edison might describe it in terms of emotions or associations (e.g., warmth or danger), but they do not have an internal picture of the color.

In contrast, individuals who become blind later in life retain vivid visual memories. Christine Ha, who gradually lost her vision due to neuromyelitis optica in her 20s and 30s, can still mentally picture faces, landscapes, or the appearance of food ingredients—memories that inform her award-winning cooking. These retained images can be both a comfort and a source of frustration when the real-world experience no longer matches the mental image.

Dreams

Dream experiences also differ significantly.

Those blind from birth typically dream in non-visual ways. Their dreams are rich in sound, touch, smell, and emotion, but contain no visual imagery. The dream world mirrors their waking sensory experience.

People who lost their sight after early childhood often continue to have visually vivid dreams, drawing from their stored memories. The later blindness begins, the more likely visual elements persist in dreams. Over time, these visual components may fade for some, but many retain them for years or even decades.

Adaptation and Navigation

Adjustment to blindness varies greatly depending on onset.

For those born blind, blindness is simply their normal state of being. They develop navigation skills, spatial awareness, and independence from an early age using tools like white canes, echolocation, or guide dogs. Their brains adapt early through cross-modal plasticity, meaning areas typically used for vision are repurposed for enhanced hearing, touch, or other senses.

Becoming blind later involves a significant period of grief, rehabilitation, and relearning daily tasks. Mobility training, learning Braille (if needed), and accepting assistive tools can feel like starting over. However, prior visual experience often helps with mental mapping—remembering the layout of familiar places visually can ease orientation even after sight is gone.

Emotional and Psychological Impact

The emotional journey differs markedly.

Many people born blind report no sense of loss because they have never known sight. Some, like Tommy Edison, even express a preference for their experience, noting they don’t mourn something they never had.

In contrast, losing vision later in life is often described as a profound loss akin to bereavement. Depression, anxiety, and identity shifts are common during the adjustment period. Acceptance takes time, and the process can involve mourning not just sight itself but the activities and independence once taken for granted.

Brain Plasticity and Sensory Processing

Neuroscientific research supports these experiential differences.

In congenital blindness, the visual cortex undergoes extensive reorganization early in life. Brain imaging shows that this region becomes highly active during tactile tasks (like reading Braille) or auditory processing, leading to often superior performance in non-visual skills.

When blindness occurs later, some plasticity still happens, but it is generally less complete. The degree depends on age of onset—younger individuals show more adaptation than older adults.

Preferences and Perspectives

Interestingly, when asked which experience they would prefer, opinions often split along these lines.

Many born blind say they’re glad they never had sight—avoiding the pain of loss. Those who became blind later often value having had visual experiences, even if losing sight was difficult. Both perspectives underscore that blindness, regardless of when it begins, does not prevent a full, rich, and accomplished life.

Neither experience is inherently “better” or “worse”—both are valid ways of navigating the world. The differences highlight the remarkable adaptability of the human brain and spirit. Public discussions, such as those between Tommy Edison and Christine Ha, help dispel myths and foster greater understanding of the diverse realities within the blind community. Ultimately, these insights remind us that perception extends far beyond vision alone.

About The Author