Immediate press release Date, Place, Kolkata, March 26, 2025 – Eye exams are a crucial part of maintaining healthy vision, and various tools help optometrists assess eyesight accurately. One of the most essential tools? Eye exam cards! But with so many options available, it can be difficult to know which one to use. Here are the five most common types of eye exam cards and their unique purposes, so you can better understand which one fits your needs.
Pushpanjali Eye care Hospital is one of the best eye care hospitals in Kolkata.
This press release Dr . Prashant Srivastava explains why you need an exam card for the eye and why it is essential.
1. Snellen Chart Card The Snellen Chart is perhaps the most well-known eye exam card. Often seen in doctor’s offices, it features rows of letters that get progressively smaller. This card tests visual acuity and is usually used during basic eye exams to assess how well you can see at different distances.
2. Ishihara Color Vision Card If you suspect color blindness or have trouble distinguishing certain colors, the Ishihara Color Vision Card will likely be part of your exam. This card contains a series of colorful dots arranged in patterns that form numbers, which can only be seen by people with normal color vision. It helps detect color blindness or color deficiencies.
3. Amsler Grid Card For those with concerns about central vision, such as age-related macular degeneration, the Amsler Grid Card is used. The card features a grid of straight lines with a central dot. Patients are asked to focus on the dot and report any distortions in the grid, helping optometrists detect early signs of retinal problems.
4. Contrast Sensitivity Card This card measures how well you can distinguish objects from their background, especially in low-light situations. The contrast sensitivity test can be particularly helpful in assessing issues like cataracts or other vision problems that affect contrast perception.
5. Visual Field Test Card This type of card is used to check for peripheral vision and detect conditions such as glaucoma or neurological problems. It often features a series of light spots or patterns that the patient needs to identify while focusing on a central target. A loss of peripheral vision can be a sign of a serious eye condition.
With the right eye exam card, optometrists can accurately assess your vision health and detect any potential problems early on. Whether it’s a basic Snellen chart or a specialized color vision test, understanding the purpose of each card ensures you get the best care for your eyes. Book your eye exam today and see clearly into the future!
For more information, visit: https://pushpanjalieyecare.com/