OptometryMails

OptometryMails The 1st optometric students' e-magazine in Africa by a group of doctors and optometry students.

In many Nigerian eye clinics, refraction is often the main focus once visual acuity improves with lenses. But skipping k...
16/03/2026

In many Nigerian eye clinics, refraction is often the main focus once visual acuity improves with lenses. But skipping keratometry (K’s) means missing valuable information about the cornea that directly affects patient outcomes.

Keratometry is essential for:
☑️Accurate intraocular lens (IOL) calculation in cataract surgery
☑️Monitoring corneal changes from conditions like pterygium, trauma, scars, or surgery
☑️Early detection of corneal disorders such as keratoconus.

In a setting where many patients self-fund their care, avoiding refractive surprises after surgery is critical for patient trust and satisfaction.

Making “K’s before Rx” a routine habit improves clinical accuracy and supports better outcomes without increasing cost or complexity.

Read more:👇👇👇
https://optmails.blogspot.com/2026/03/om-february-2026.html

February Edition is Here!👁✨The cornea contributes nearly two-thirds of the eye’s refractive power yet one of its most fu...
01/03/2026

February Edition is Here!👁✨

The cornea contributes nearly two-thirds of the eye’s refractive power yet one of its most fundamental assessment tools, keratometry, is gradually being overlooked in modern practice.

In this edition, we revisit the cornea not just as a transparent structure, but as a powerful optical surface that determines visual clarity, refractive outcomes, and surgical success. While advanced technologies like topography and tomography dominate today’s clinics, we explore why foundational keratometric principles still matter and why ignoring them may lead to refractive surprises and reduced patient satisfaction.

This month, we bridge the gap between technology and fundamentals, restoring keratometry to its rightful place in accurate refractive care and safe surgical planning.

Download this edition using the link below👇👇👇
https://optmails.blogspot.com/2026/03/om-february-2026.html

What is your answer like?
20/02/2026

What is your answer like?

On Friday, February 13, 2025, OptometryMails hosted its first monthly webinar of the year. Over time, realizing how vit...
20/02/2026

On Friday, February 13, 2025, OptometryMails hosted its first monthly webinar of the year. Over time, realizing how vital these sessions are to the general public, we decided to make them open to everyone, allowing all to benefit from the knowledge shared.

For this maiden 2026 edition, Dr. Emmanuel Abiodun Ogunleye presented on the topic, "Obstructive Sleep Apnea as a Modifiable Risk Factor in Primary Open-Angle Glaucoma." The presentation was followed by insightful contributions and interactions regarding the subject matter.

It was truly an expository session, covering everything from general knowledge to the hidden, destructive mechanisms of this specific risk factor.

We will be hosting our next session on March 13, and we warmly invite you to join us. March promises to be an even more engaging experience.

Many thanks to our visionary and moderator for the session, Dr. Sunkanmi Arogbokun .

A. Symmetric cup-to-disc ratio in both eyesSymmetry is common in physiologic cupping. Glaucoma is more suspicious when t...
17/02/2026

A. Symmetric cup-to-disc ratio in both eyes

Symmetry is common in physiologic cupping. Glaucoma is more suspicious when there is asymmetry (>0.2 difference). So this does not strongly suggest progression.

B. Vertical enlargement of the optic cup with rim thinning ✅

Glaucoma causes neuroretinal rim loss, especially inferior and superior, leading to vertical cupping and ISNT rule violation. This is a classic sign of glaucomatous progression.

C. Large cup in a patient with high myopia

High myopes often have large physiologic cups without glaucoma. Large cup size alone does not indicate disease progression.

D. Pale disc with sharp margins

Disc pallor suggests optic atrophy (non-glaucomatous optic neuropathy). In glaucoma, cupping is more prominent than pallor, especially early.

Glaucoma is no longer viewed solely as a disease of vision loss but increasingly as a condition with systemic circadian ...
16/02/2026

Glaucoma is no longer viewed solely as a disease of vision loss but increasingly as a condition with systemic circadian implications. While objective sleep studies show minimal measurable disruption in sleep architecture among glaucoma patients, subjective reports consistently reveal poorer sleep quality, particularly in older individuals.

This discrepancy may be explained by damage to melanopsin-containing intrinsically photosensitive retinal ganglion cells, which regulate circadian rhythms and melatonin secretion.

Disruption of this non-image-forming pathway may impair biological timing and influence intraocular pressure fluctuations without producing obvious changes on polysomnography.

In essence, glaucoma may silently disturb the body’s internal clock even when standard sleep measurements appear normal, highlighting the need for a more holistic approach that considers circadian health alongside visual preservation.
📖 Read the full article here:👇👇👇 https://optmails.blogspot.com/2026/01/january-edition-2026.html

Happy Valentine!
14/02/2026

Happy Valentine!

Be honest… do you actually know this or are you just guessing?👀🌝This one separates real clinical insight from textbook m...
13/02/2026

Be honest… do you actually know this or are you just guessing?👀🌝

This one separates real clinical insight from textbook memory.

Drop your answer before you swipe.

Join us tonight, 8PM WAT!
13/02/2026

Join us tonight, 8PM WAT!

Can Your Diet Influence Glaucoma Risk?Glaucoma slowly damages the optic nerve often without early symptoms. But did you ...
11/02/2026

Can Your Diet Influence Glaucoma Risk?

Glaucoma slowly damages the optic nerve often without early symptoms. But did you know that what you eat may play a supportive role in protecting your vision?

Emerging research suggests that: 🥬 Leafy greens may improve blood flow to the optic nerve

🍓 Antioxidant-rich fruits and vegetables may help reduce oxidative stress

🐟 Omega-3 fatty acids may support vascular health

⚠️ While excess caffeine, salt, and ultra-processed foods could have negative effects

Diet alone cannot cure glaucoma — but it may be an important piece of the bigger picture.
We explored the science, the dietary patterns linked to lower risk, and what this means for patients and families in our latest magazine feature.

📖 Read the full article here:
https://optmails.blogspot.com/2026/01/january-edition-2026.html

Physical exercise is gaining attention as a supportive, non-drug approach in glaucoma care. Studies have shown that exer...
05/02/2026

Physical exercise is gaining attention as a supportive, non-drug approach in glaucoma care. Studies have shown that exercise can cause a temporary reduction in intraocular pressure (IOP), and recent evidence suggests it may also protect the optic nerve by improving blood flow, mitochondrial function, and nerve health.
In addition, glaucoma is often linked with anxiety and depression, and regular physical activity can improve mental well-being and overall quality of life. This review highlights current evidence on the relationship between exercise and glaucoma.

👉 To continue reading, follow this link:
https://optmails.blogspot.com/2026/01/january-edition-2026.html

Which is your answer???
02/02/2026

Which is your answer???

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