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The Vision Sciences Academy is an international organisation of vision science professionals who are

17/01/2026

Obstructive Sleep Apnea: A Risk Factor for Optic Neuropathy

Author: Keya Chakrabarty
Optometrist
L V Prasad Eye Institute

Obstructive Sleep Apnea (OSA) is a serious sleep-related breathing disorder that can significantly impact ocular health, especially the optic nerve. It can be a serious, life-threatening disease that may lead to different ocular diseases. This article highlights the strong association between OSA and conditions like Non Arteritic Ischemic Optic Neuropathy (NAION), while emphasising the role of early diagnosis, systemic health management, and Continuous Positive Air Pressure (CPAP) therapy in reducing risks and protecting long-term vision.

Read the article here: https://visionscienceacademy.org/obstructive-sleep-apnea-a-risk-factor-for-optic-neuropathy

16/01/2026

🔍 Last Week’s Poll Results Are Back!
We asked you which factor influences diurnal intraocular pressure (IOP) variation the most — and the response was clear 👇

✅ All of the above (68%)
A strong reminder that IOP fluctuations are multifactorial, shaped by body posture, sleep–wake cycles, and medication timing together.

Here’s how the rest of the responses shaped up:

🛌 Sleep–wake cycle: 14%💊 Medication timing: 11%🧍 Body posture: 9%
These results reinforce why single clinic IOP readings may miss critical fluctuations, and why a holistic approach is essential in glaucoma management.

💬 What do you think is most often overlooked in routine practice when assessing diurnal IOP?
Share your thoughts below.

15/01/2026

Micro-Vented Lenses: The Next Breath in Comfort

Author: Trisha Dey
Consultant Optometrist
P C Sharma Eye Hospital

Soft Contact Lens design has long prioritised oxygen permeability to maintain corneal health. Even though silicone hydrogel lenses improved oxygen transmission significantly, silicone has its disadvantages, including hypertrophy of lipids on the soft lens surface, surface wetting, and allergic reactions. This article highlights the emerging concept of micro-vented Contact Lenses, which aim to deliver oxygen without silicone-related drawbacks. By enabling more natural corneal breathing, this innovation may improve comfort, surface wettability, and long-term ocular health in future Contact Lens wear.

Read the article here: https://visionscienceacademy.org/micro-vented-lenses-the-next-breath-in-comfort

14/01/2026

Ophthalmic Examination: A Tool for Detecting Systemic Disease

Author: Prattoy Bej
Clinical Optometrist
Dr. Shroff’s Charity Eye Hospital

Fundus examination offers a unique, non-invasive view into the body’s vascular and neurological health, making it vital beyond Ophthalmology. The fundus is the only place in the human body where blood vessels and neural tissue can be directly observed without invasive procedures. This article highlights how fundus findings can reveal early, silent signs of systemic diseases, enabling timely intervention and better patient outcomes. Its diagnostic value underscores the need for wider use in general and ocular practice.

Read the article here: https://visionscienceacademy.org/ophthalmic-examination-a-tool-for-detecting-systemic-disease

13/01/2026

Inside the Squared Circle: The Hidden Toll of Ocular Injuries in Professional Wrestling

Author: Vivek Suganthan R
Assistant Professor
SRM Institute of Science and Technology

Professional wrestling blends athleticism and entertainment but also carries a high risk of ocular injuries due to intense physical contact. Wrestlers not only execute high-impact moves but also embody characters that resonate with fans, making it a compelling spectacle. This article highlights the common eye injuries seen in wrestlers, their causes, notable incidents, and key prevention strategies. Understanding these factors is essential for improving safety and protecting athletes in this demanding sport.

Read the article here: https://visionscienceacademy.org/inside-the-squared-circle-the-hidden-toll-of-ocular-injuries-in-professional-wrestling

12/01/2026

PCOD and Vision Problems: The Connection and Management

Author: Jeevika R
B. Optom Student
Dhanalakshmi Srinivasan University

Polycytic Ovarian Disease (PCOD) is a complex endocrine disorder affecting millions of women, with symptoms ranging from hormonal imbalance to metabolic complications. This article highlights the lesser-known connection between PCOD and eye health, explaining how hormonal and metabolic changes may influence the Retinal Nerve Fibre Layer (RNFL) and macular region. Understanding these links is crucial for early diagnosis, holistic care, and better long-term visual outcomes.

Read the article here: https://visionscienceacademy.org/pcod-and-vision-problems-the-connection-and-management

10/01/2026

Why the Same Power Gives Different Vision: Understanding the Circle of Blur

Author: Anshi Jha
B. Optom Student
Uttar Pradesh University of Medical Sciences

When two patients are prescribed identical refractive corrections, their visual outcomes may still differ due to individual variations in ocular anatomy, neural adaptation, and visual processing. But clinically, this is not always true. One patient achieves 6/6, while another may only reach 6/9 or 6/12, even with identical lens power. This article explains the key concept of the ‘Circle of Blur’ (or Circle of Confusion) which forms when light rays fail to focus precisely on the retina, creating a small circular disc of light.

Read the article here: https://visionscienceacademy.org/ocular-myokymia-unfolding-eyelid-twitching

10/01/2026

Have an idea, insight, or perspective in vision science worth sharing?

This is your chance to turn your knowledge into impact and be featured on a global platform.

Submit your original blogs, spark meaningful conversations, and gain recognition within the VSA community.

📌 January 2026 submissions are now being accepted.

Read the guidelines here: https://visionscienceacademy.org/the-vsa-blog-competition-january-2026-is-now-open/

Don’t miss the opportunity — submit before the window closes!

09/01/2026

Claws and Effects: The Ocular Threat of Cat Scratch Disease

Authors: Muskan Kumari(1)
B. Optom Student

Roshni Sengupta(2)
Assistant Professor

(1)(2)GD Goenka University

Cat Scratch Disease is a common zoonotic infection caused by Bartonella henselae, primarily transmitted through domestic cats and affecting children most frequently. The bacterium's unique tropism for erythrocytes and vascular endothelium underpins its diverse clinical pathology. This article highlights the bacteria’s vascular and erythrocyte involvement, key epidemiological trends, and the clinical importance of early recognition to prevent systemic and ocular complications.

Read the blog here: https://visionscienceacademy.org/claws-and-effects-the-ocular-threat-of-cat-scratch-disease

08/01/2026

Sight Unseen: When the Brain Believes You Can See

Authors: Palak Kodan(1)
B. Optom Student

Roshni Sengupta(2)
Assistant Professor

(1)(2)GD Goenka University

Anton Syndrome is a rare neurological condition characterised by cortical blindness with complete denial of vision loss and confabulation. To account for their lack of sight, the brain generates false memories or descriptions, which the individual presents as factual events or perceptions, completely unaware they are fabricating them. This article highlights the underlying mechanisms of Anton–Babinski Syndrome, explaining how damage to the visual cortex leads to preserved pupillary reflexes, false visual narratives, and impaired awareness, offering insight into the complex brain vision relationship.

Read the article here: https://visionscienceacademy.org/sight-unseen-when-the-brain-believes-you-can-see

07/01/2026

In-Vitro Fertilisation (IVF) and Ocular Development: A Review of Evidence

Author: Sanjukta Jana
Editorial Assistant - Trainee
Vision Science Academy

In Vitro Fertilisation (IVF) is one of the most renowned Assisted Reproductive Technologies (ART) among people who are infertile. IVF involves the retrieval of mature oocytes, fertilisation of oocytes using s***m in the laboratory, and subsequent transfer of the zygote into the uterus, where it is implanted. This article summarises how the nervous system tissues, neuro-ectodermal and mesodermal tissues, are highly coordinated in eye development, and the alterations in this environment can affect the process of ocular differentiation, formation of the optic nerve, or retinal development.

Read the article here: https://visionscienceacademy.org/in-vitro-fertilisation-ivf-and-ocular-development-a-review-of-evidence

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