In the past decade, the world has witnessed a tectonic shift in the healthcare industry, with technology playing a crucial role in this transformation. One such evolving field within healthcare is that of dietetics. Traditionally confined to clinical settings, dietetic consultation has increasingly been offered online, marking the dawn of online dietitians. As we traverse this rapid digitalization, it is crucial to contemplate the possible trajectories of this industry, predicting potential trends and understanding how they shape the future.

Firstly, it's important to comprehend this hybrid form of dietetic consultation. An online dietitian, quite like their offline counterparts, provides dietary advice and develops personalized nutrition plans. The significant divergence, however, lies in the medium of delivery. Online dietitians harness the internet's power, offering their services through digital platforms, thereby rendering geographical barriers obsolete.

The advent of online dietitians is rooted in the broader trend of telemedicine, which has gained significant momentum due to the COVID-19 pandemic. The telemedicine industry is predicted to grow to $185.6 billion by 2026, according to a report by Fortune Business Insights. It seems plausible, if not inevitable, that the field of online dietetics will follow suit.

The potential of the online dietetics industry can be teased out by considering two key parameters: accessibility and personalization.

The digital age has engendered an unprecedented level of connectivity, allowing for the democratization of healthcare. Online dietitians, thus, have the potential to reach a diverse, global clientele, a feat that was previously impossible due to geographical constraints. This increased accessibility is expected to catalyze a sharp rise in the demand for online dietetic consultations, thereby driving industry growth.

Additionally, the integration of advanced digital tools is expected to enhance the personalization of dietetic advice. Artificial Intelligence (AI) and Machine Learning (ML) algorithms can analyze a plethora of data, from genetic information to lifestyle habits, to devise highly tailored dietary plans. Despite potential concerns regarding algorithm bias and accuracy, the ability to deliver hyper-personalized advice is expected to improve client outcomes and satisfaction, further fuelling industry growth.

Despite its many merits, the rise of online dietetics is not without concerns. The primary apprehension revolves around the quality of digital consultations. The absence of physical examination and reliance on self-reported data could potentially compromise the accuracy of dietary advice. Additionally, the risk of misinformation and malpractice is amplified in the digital arena, due to the increased difficulty of regulating online platforms.

The way forward, thus, lies in mitigating these risks while capitalizing on the potential benefits. Robust regulatory frameworks, rigorous quality assurance mechanisms, and ethical guidelines for digital practice are imperative. Simultaneously, continued investment in digital tools and technology, along with comprehensive training for dietitians to adapt to this new model, will be crucial to foster industry growth.

In conclusion, the future of online dietitians is certainly vibrant and promising, presenting a unique amalgamation of dietetics and digital technology. While it does pose challenges, the potential benefits in terms of accessibility and personalization make it a trend worth watching. As technological advances continue to revolutionize healthcare, it is clear that the online dietetics industry is poised for exponential growth. It is an exciting era, and we eagerly anticipate the innovative solutions that will unfold as we navigate this digital frontier.