KDP categories · Top KDP authors
Eye Problems (Diseases & Physical Ailments, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Eye Problems (Diseases & Physical Ailments, Kindle eBooks), updated Nov 3, 2026: median price $6.99, median 23 reviews, average rating 4.4 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $3.79 – $9.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 3% of the parent category Diseases & Physical Ailments (714), one of the easier corners under it.
- The same niche in Books scores 32, 13 points higher than here; worth checking both.
- Only 5% of its best sellers are under 90 days old, fewer than in 76% of Kindle eBooks categories: established titles hold the list.
Top 10 Eye Problems best sellers
-
The Bates Method for Better Eyesight Without Glasses
by William Horatio Bates
- List rank#1
- Price$9.45
- Rating4.2
- Reviews726
-
Take Off Your Glasses and See: A Mind/Body Approach to Expanding Your Eyesight and Insight
by Jacob Israel Liberman
- List rank#2
- Price$9.99
- Rating4.4
- Reviews365
-
Vision for Life, Revised Edition: Ten Steps to Natural Eyesight Improvement
by Meir Schneider
- List rank#3
- Price$12.99
- Rating4.6
- Reviews380
-
Optimal Eyesight: How to restore and retain great vision
by Esther van der Werf
- List rank#4
- Price$9.99
- Rating4.6
- Reviews113
-
A New World of Seeing: Practice and Perspectives of Natural Vision Improvement
by Natural Vision Educators
- List rank#5
- Price$9.99
- Rating4.6
- Reviews120
-
Eat Right for Your Sight: Simple, Tasty Recipes That Help Reduce the Risk of Vision Loss from Macular Degeneration
by The American Macular Degeneration Foundation
- List rank#6
- Price$3.99
- Rating4.4
- Reviews288
-
Vital Vision: Clear Eyed Solutions for Midlife & Beyond
by Dr. Sam Berne
- List rank#7
- Price$9.99
- Reviews-
-
The Good News About Cataracts
by Kevin Hyland
- List rank#8
- Price$2.99
- Rating4.0
- Reviews33
-
Eye Yoga: How to restore natural eyesight and improve vision. A practical path to stronger eyes, a sharper mind, and deeper awareness. (The Mind–Body Mastery Series)
by Ryo Tao
- List rank#9
- Price$2.99
- Rating4.3
- Reviews8
-
Perfect Sight Without Glasses - The Cure Of Imperfect Sight By Treatment Without Glasses - Dr. Bates Original, First Book- Natural Vision Improvement: Short Text-Book Edition
by William H. Bates
- List rank#10
- Price$10
- Rating3.9
- Reviews79
Same niche in Books: Eye Problems
FAQ
Is Eye Problems a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 23 reviews and sells for $6.99.
How many reviews do you need to rank in Eye Problems?
The median best seller has 23 reviews, and 74% of them have fewer than 100.
What do Eye Problems best sellers cost?
The median price is $6.99; half of the best sellers are priced between $3.79 and $9.99.
Can new books break into Eye Problems?
5% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.