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BerryFarmsEyeCare

Dr. Jana Crim

(615) 905-8190

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  • Color Blindness

Color Blindness

  • Created in Common Eye Conditions, Vision Impairment

color blindness

Color blindness, also known as color vision deficiency, occurs when an individual cannot distinguish between certain colors like red and green or, less commonly, blue and yellow.

Cause of Color Blindness

Light-sensitive tissue, the retina, lines the back of the eye and consists of two types of light distinguishing cells: rods and cones. While rods detect or see light and dark, cones are responsible for detecting color and sending the information to the brain for processing. Your eye has three types of cones; one for perceiving red, another for blue, and third for green. In a healthy eye, the cones work together to facilitate your ability to see a broad range of colors. When one or more type of cone functions abnormally, color deficiency occurs.

Color Blindness Symptoms

Depending on which cones are affected, the symptoms of color blindness range from mild to severe. Mild color blindness is defined as difficulty distinguishing colors in low light, and severe color blindness can leave someone seeing only a range of grey tones. Symptoms of color blindness include having difficulty seeing colors or their brightness, and the inability to distinguish between different colors. People with color blindness most frequently have a hard time telling the difference between red and green or blue and yellow.

Risk Factors for Color Blindness

Most individuals with color deficiency are born with it. Congenital color blindness is usually inherited as a genetic trait passed down from mother to son. Males are much more likely than females to inherit color deficiency, experiencing color blindness from birth.

Color blindness, however, can develop as the result of disease, medical conditions, trauma, or as a side effect of medication. Conditions that may lead to color blindness include macular degeneration, glaucoma, Parkinson's disease, Alzheimer's disease, leukemia, sickle cell anemia, and alcoholism. Color blindness which develops later in life as the result of a condition is known as acquired color deficiency.

Diagnosis and Treatment

An eye care professional diagnoses color blindness with a simple test. The patient is shown diagrams comprised of differently colored dots. Color blind individuals will not be able to distinguish shapes or numbers hidden among the dots in a different color.

While there is no cure for congenital color blindness, special lenses for glasses or contacts have been developed to help color deficient individuals distinguish between colors. Acquired color blindness can sometimes be treated by addressing the underlying cause.

  • Common Eye Conditions
    • Age-Related
    • Eye Lids
    • Cognitive and Acquired
    • Vision Impairment
    • Injury & Irritation
    • Changes in Appearance
  • Contact Lenses
  • Eye Diseases
  • Eyeglasses
    • Eyeglass Lenses
  • Eye Symptoms
  • How the Eyes Work
    • Basic Visual Skills
  • Pediatric Vision
  • Protecting Your Eyes
  • Visual Rehabilitation
  • Vision Problems
  • What is Vision Therapy
  • Vision Therapy Programs
  • We Can Help With
    • Cataracts
    • Corneal Disorders
      • Disorders
    • Glaucoma
    • Refractive Disorders
    • Adult Strabismus
    • Retinal Disorders
  • Newsletters
    • Amazing, Interesting Eyes
    • Medical Perspectives
    • Kid's Vision
    • Conditions That Affect Vision
    • Tips for Healthy Eyes
    • Contacts
    • Glasses & Frames

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Office Hours

Monday:

8:00 am-12:00 pm

1:00 pm-6:00 pm

Tuesday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Wednesday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Thursday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Friday:

Closed

Saturday:

Closed

Sunday:

Closed

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Your opinions matter

  • ""Who knew in this day and age that you could actually find a Doctor (the entire practice) that actually makes the patient their primary focus. After much frustration with my current provider I stumbled across Dr. Crim and boy did I get lucky. The staff's attention to detail, quality of service, and genuineness shines through. If you are looking for top notch care and great service look no further than Berry Farms EyeCare...trust me!!""
    Craig E.
  • ""Dr. Jana and staff are awesome! They make me feel at home each time I visit. They are an asset to Berry Farms and the surrounding area. We will use them as long as they'll let us!""
    Cody W.
  • ""Stop in and visit Dr. Jana Crim @ her brand new location if you are in the market for eyewear or contacts lenses! I just went there and I am very pleased with my new glasses. Great staff, selection and fast service! Go and 'see' for yourself.""
    David D.
  • ""My college senior walked on over to Dr. Jana during spring break and they fixed him all up with a new prescription and contacts! And Mikki was awesome helping get him in when he was home during break. I don't think he will ever go to the beach again for break when he can get his eyes examined at BF Eyecare instead!!""
    Matt B.
  • ""LOVED my experience here. Honestly, the best eye exam I've ever had. The staff was so kind, the exam was very thorough. Dr. Crim took her time with me and explained all kinds of things about my eye health that I hadn't heard before. I can't recommend Berry Farms EyeCare enough!
    The also give free infant eye exams (up to 1 year old)!""
    Hanna S.
  • ""I want to give a shout out to Berry Farms Eyecare if anybody is in need of a new eye doctor in the Franklin area they are amazing. We had to make an emergency trip there we called on the way there doctor was not in. They called her and she drove in just to see us and she took great care of us and they were all amazing. They have a beautiful office as well.""
    Stacy H.
  • ""Love! Love! Love! Dr. Jana and Mikki not only helped me but they did a fabulous job giving my 6 month old his first eye exam. I've been in glasses for over 20 years and this was the best experience with an eye doctor I've ever had! The office is beautiful and you can tell they really care about their patients!""
    Kayla C.
  • ""I absolutely love my new glasses! And am so happy to be able to walk to my neighborhood eye doctor. Dr. Jana and her team are fabulous and got me seeing clearly!""
    Deb M.
  • ""Love Berry Farms EyeCare!! Just Fabulous!!""
    Jennifer J.
  • ""Dr. Jana & her staff are courteous and very helpful. I had a terrific experience from start to finish; leaving with an order for 3 pairs of glasses as well. I was most impressed with what other had to say about their experience there and Dr. Jana's caring personality. The facility is beautiful inside as well. A+ across the board!""
    Stuart P.
  • ""Berry Farms EyeCare was absolutely wonderful! I was able to get in quickly. They were so friendly and helpful. I will definitely be a returning patient and will recommend them to others""
    Danielle S.
  • ""Great service, great selection, awesome staff, beautiful office space- what more can you ask for?!?!""
    Betsy T.
  • ""My family had a fantastic experience at Berry Farms eye care!! The office is gorgeous and the staff was wonderful!""
    April B.
  • ""This place is amazing! I had an eye issue this morning and Dr. Crim saw me before they even opened for the day. The medicine I needed for my eye was sold out at Publix and she took the time to call many pharmacies for me. Talk about customer service! The space is beautiful and staff is friendly. I'm so excited they have joined the berry farms community and excited to not have to battle the cool springs traffic.""
    Rachel L.
  • ""Dr Crim and her staff are fabulous! Very friendly, no wait time, I received a thorough exam, and my contacts were quickly delivered to my home. The new office is gorgeous and very welcoming. Highly recommend Berry Farms EyeCare.""
    Ashley F.
  • ""I'm a new patient at Dr. Crim's office and I have to say that this was the most pleasant appointment I've ever had. The practice was clean and well put together as well as the service. I HIGHLY recommend Dr. Crim ( and staff ). Well done!""
    William F.
  • "Have been suffering from eye strain headaches. Just happened to read about Dr. Crim in an article. To say I am pleased I did is an understatement. From scheduling to the appt & f/up to get my glasses, everything especially the Dr was unbeatable. It's nice when you can tell someone cares & really wants to help. I am very pleased with my new glasses. If you haven't explored the businesses at Berry Farms, give this one a try. You won't regret it. (Review shortened due to space allotment)"
    Nicki R.
  • ""Had the most amazing experience yesterday! Took all 3 kids - in and out in less than an hour. Wonderful customer service! Would highly recommend!""
    J. Cleaver
  • ""Super personalable, they were able to work me to an appointment quick. Would totally recommend to anyone needing eyecare. They listened to me and they answered all my questions.""
    Olivia C.
  • ""Dr Crim took her time with my eye exam and explained everything she did. It was the best eye exam I had ! Dr. Crim staff was awesome too .""
    Pat M.

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