Loss of Depth Perception

Loss of depth perception is a common symptom of macular degeneration.  Depth perception is the ability to determine space and distance between objects. 

curb with leaves

Because depth perception requires two eyes with healthy vision, loss of depth perception is often another sign of AMD. So even if one has a "good" eye, but the other eye has low vision, depth perception is affected.

For example it becomes difficult to identify how high or low a step is or to be able to determine how much distance exists between objects.

senior woman two eyes

Richard L. Windsor, O.D., F.A.A.O. writes, "Patients are diagnosed daily with macular degeneration but few patients are adequately counseled on how their vision will be affected. Vision loss from macular degeneration is much more than just a loss of visual acuity. It is important that we counsel these patients on the variety of visual problems they will encounter."

Impaired Depth Perception Can Lead to Falls and Accidents

Impaired depth perception can be dangerous, because it significantly increases the risk of injuries and accidents making it more difficult to walk or climb a set of stairs without tripping or falling.

man fallen on stairs

That is why you will see low vision specialists who come to the home, pay special attention to steps and how they are lighted and marked.

stairs with yellow stripe tape

Impaired depth perception also interferes with one 's ability to drive safely because it is difficult to judge distance between cars or to a stop light.

cars lined up on road heavy traffic

Loss of Depth Perception and Everyday Activities

Loss of depth perception can interfere with everyday activities such as pouring a glass of water or threading a needle. 

small glass of clear water

Playing ball with your child or grandchild can be difficult as one tries to judge distance when catching or throwing a ball. 

Strategies for Loss of Depth Perception

Strategies for dealing with loss of depth perception include improved lighting and increased contrast. 

small lighted living room dining room

Utilize floor or table lamps, overhead lighting and chandeliers to light up your rooms. 

coffee poured into white mug

See how contrasting the dark coffee in a white cup allows one to "see" how full the cup is?  Use contrast at your kitchen table with solid white plates on a dark table or solid color plates on a white table. Do not use clear glasses for your water because the clear makes it more difficult to judge distance.  My father-in-law who had wet macular degeneration often tipped over his water glass because he couldn't judge how far or close it was to him. 

 Instead find colored glasses to make your meal time experience more enjoyable. 

man walking with white cane curb

A white cane is not just for the blind, it is an important aid for determining depth and distance for those with low vision or macular degeneration. 

The loss of depth perception can be subtle and not always easily recognized.  If one is concerned about this symptom of macular degeneration, tell your eye doctor who can test for depth perception during your comprehensive eye exam.  

Go from Loss of Depth Perception to Macular Degeneration Symptoms

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